internlm/Lean-Github huggingface dataset:
Theorem: LRAT.DefaultFormula.restoreAssignments_performRupCheck
Proof state before:
case intro.h₂.inr.inr.intro.intro.intro.intro
n : Nat
f : DefaultFormula n
f_assignments_size : f.assignments.size = n
rupHints : Array Nat
f' : DefaultFormula n := (f.performRupCheck rupHints).fst
f'_def : f' = (f.performRupCheck rupHints).fst
f'_assignments_size : f'.assignments.size = n
derivedLits : List (Literal (PosFin n))
derivedLits_satisfies_invariant :
  f.derivedLits_invariant f_assignments_size (f.performRupCheck rupHints).fst.assignments f'_assignments_size
    derivedLits
derivedLits_arr : Array (Literal (PosFin n)) := { data := derivedLits }
derivedLits_arr_def : derivedLits_arr = { data := derivedLits }
derivedLits_arr_nodup : ∀ (i j : Fin derivedLits_arr.size), i ≠ j → derivedLits_arr[i] ≠ derivedLits_arr[j]
motive : Nat → Array Assignment → Prop := f.clear_insert_induction_motive f_assignments_size derivedLits_arr
h_base : f.clear_insert_induction_motive f_assignments_size derivedLits_arr 0 f'.assignments
h_inductive :
  ∀ (idx : Fin derivedLits_arr.size) (assignments : Array Assignment),
    motive (↑idx) assignments →
      f.clear_insert_induction_motive f_assignments_size derivedLits_arr (↑idx + 1)
        (clearUnit assignments derivedLits_arr[idx])
h_size : (Array.foldl (fun b => clearUnit b) f'.assignments derivedLits_arr 0).size = n
i : Nat
hi1 : i < (Array.foldl clearUnit f'.assignments { data := derivedLits } 0).size
hi2✝ : i < f.assignments.size
hi2 : i < n
j1 j2 : Fin derivedLits_arr.size
i_gt_zero : ↑⟨i, hi2⟩ > 0
j1_ge_derivedLits_size : ↑j1 ≥ derivedLits_arr.size
right✝ :
  ↑j2 ≥ derivedLits_arr.size ∧
    derivedLits_arr[j1] = (⟨↑⟨i, hi2⟩, ⋯⟩, true) ∧
      derivedLits_arr[j2] = (⟨↑⟨i, hi2⟩, ⋯⟩, false) ∧
        (Array.foldl (fun b => clearUnit b) f'.assignments derivedLits_arr 0)[↑⟨i, hi2⟩] = both ∧
          f.assignments[↑⟨i, hi2⟩] = unassigned ∧
            ∀ (k : Fin derivedLits_arr.size),
              ↑k ≥ derivedLits_arr.size → k ≠ j1 → k ≠ j2 → derivedLits_arr[k].fst.val ≠ ↑⟨i, hi2⟩
⊢ False
Tactic:
exact (Nat.not_lt_of_le j1_ge_derivedLits_size) j1.2
Proof state after:
no goals
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
rupAddSuccess : f.performRupAdd c rupHints = (f', true)
⊢ f' = f.insert c
Tactic:
rw [performRupAdd] at rupAddSuccess
Proof state after:
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
rupAddSuccess :
  (let negC := c.negate;
    match f.insertRupUnits negC with
    | (f, foundContradiction) =>
      if foundContradiction = true then
        let f := f.clearRupUnits;
        (f.insert c, true)
      else
        match f.performRupCheck rupHints with
        | (f, derivedLits, derivedEmpty, encounteredError) =>
          if encounteredError = true then (f, false)
          else
            if (!derivedEmpty) = true then (f, false)
            else
              match f with
              | { clauses := clauses, rupUnits := rupUnits, ratUnits := ratUnits, assignments := assignments } =>
                let assignments := restoreAssignments assignments derivedLits;
                let f :=
                  { clauses := clauses, rupUnits := rupUnits, ratUnits := ratUnits,
                      assignments := assignments }.clearRupUnits;
                (f.insert c, true)) =
    (f', true)
⊢ f' = f.insert c
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
rupAddSuccess :
  (let negC := c.negate;
    match f.insertRupUnits negC with
    | (f, foundContradiction) =>
      if foundContradiction = true then
        let f := f.clearRupUnits;
        (f.insert c, true)
      else
        match f.performRupCheck rupHints with
        | (f, derivedLits, derivedEmpty, encounteredError) =>
          if encounteredError = true then (f, false)
          else
            if (!derivedEmpty) = true then (f, false)
            else
              match f with
              | { clauses := clauses, rupUnits := rupUnits, ratUnits := ratUnits, assignments := assignments } =>
                let assignments := restoreAssignments assignments derivedLits;
                let f :=
                  { clauses := clauses, rupUnits := rupUnits, ratUnits := ratUnits,
                      assignments := assignments }.clearRupUnits;
                (f.insert c, true)) =
    (f', true)
⊢ f' = f.insert c
Tactic:
simp only [Bool.not_eq_true'] at rupAddSuccess
Proof state after:
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
rupAddSuccess :
  (if (f.insertRupUnits c.negate).snd = true then ((f.insertRupUnits c.negate).fst.clearRupUnits.insert c, true)
    else
      if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true then
        (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
      else
        if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
          (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
        else
          ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                    rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                    ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                    assignments :=
                      restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                        ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
              c,
            true)) =
    (f', true)
⊢ f' = f.insert c
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
rupAddSuccess :
  (if (f.insertRupUnits c.negate).snd = true then ((f.insertRupUnits c.negate).fst.clearRupUnits.insert c, true)
    else
      if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true then
        (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
      else
        if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
          (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
        else
          ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                    rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                    ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                    assignments :=
                      restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                        ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
              c,
            true)) =
    (f', true)
⊢ f' = f.insert c
Tactic:
split at rupAddSuccess
Proof state after:
case isTrue
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : (f.insertRupUnits c.negate).snd = true
rupAddSuccess : ((f.insertRupUnits c.negate).fst.clearRupUnits.insert c, true) = (f', true)
⊢ f' = f.insert c

case isFalse
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : ¬(f.insertRupUnits c.negate).snd = true
rupAddSuccess :
  (if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true then
      (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
    else
      if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
        (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
      else
        ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                  rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                  ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                  assignments :=
                    restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                      ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
            c,
          true)) =
    (f', true)
⊢ f' = f.insert c
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
case isTrue
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : (f.insertRupUnits c.negate).snd = true
rupAddSuccess : ((f.insertRupUnits c.negate).fst.clearRupUnits.insert c, true) = (f', true)
⊢ f' = f.insert c

case isFalse
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : ¬(f.insertRupUnits c.negate).snd = true
rupAddSuccess :
  (if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true then
      (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
    else
      if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
        (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
      else
        ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                  rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                  ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                  assignments :=
                    restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                      ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
            c,
          true)) =
    (f', true)
⊢ f' = f.insert c
Tactic:
. simp only [clear_insertRup f f_readyForRupAdd (negate c), Prod.mk.injEq, and_true] at rupAddSuccess
  exact rupAddSuccess.symm
Proof state after:
case isFalse
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : ¬(f.insertRupUnits c.negate).snd = true
rupAddSuccess :
  (if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true then
      (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
    else
      if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
        (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
      else
        ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                  rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                  ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                  assignments :=
                    restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                      ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
            c,
          true)) =
    (f', true)
⊢ f' = f.insert c
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
case isFalse
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : ¬(f.insertRupUnits c.negate).snd = true
rupAddSuccess :
  (if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true then
      (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
    else
      if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
        (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
      else
        ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                  rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                  ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                  assignments :=
                    restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                      ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
            c,
          true)) =
    (f', true)
⊢ f' = f.insert c
Tactic:
. split at rupAddSuccess
  . simp only [Prod.mk.injEq, and_false] at rupAddSuccess
  . split at rupAddSuccess
    . simp only [Prod.mk.injEq, and_false] at rupAddSuccess
    . let fc := (insertRupUnits f (negate c)).1
      have fc_assignments_size : (insertRupUnits f (negate c)).1.assignments.size = n := by
        rw [insertRupUnits_preserves_assignments_size f (negate c)]
        exact f_readyForRupAdd.2.1
      simp only [performRupCheck_preserves_clauses, performRupCheck_preserves_rupUnits, performRupCheck_preserves_ratUnits,
        restoreAssignments_performRupCheck fc fc_assignments_size, Prod.mk.injEq, and_true] at rupAddSuccess
      have rupAddSuccess : DefaultFormula.insert (clearRupUnits (insertRupUnits f (negate c)).fst) c = f' := by
        rw [rupAddSuccess]
      rw [clear_insertRup f f_readyForRupAdd (negate c)] at rupAddSuccess
      exact rupAddSuccess.symm
Proof state after:
no goals
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
case isTrue
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : (f.insertRupUnits c.negate).snd = true
rupAddSuccess : ((f.insertRupUnits c.negate).fst.clearRupUnits.insert c, true) = (f', true)
⊢ f' = f.insert c
Tactic:
simp only [clear_insertRup f f_readyForRupAdd (negate c), Prod.mk.injEq, and_true] at rupAddSuccess
Proof state after:
case isTrue
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : (f.insertRupUnits c.negate).snd = true
rupAddSuccess : f.insert c = f'
⊢ f' = f.insert c
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
case isTrue
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : (f.insertRupUnits c.negate).snd = true
rupAddSuccess : f.insert c = f'
⊢ f' = f.insert c
Tactic:
exact rupAddSuccess.symm
Proof state after:
no goals
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
case isFalse
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝ : ¬(f.insertRupUnits c.negate).snd = true
rupAddSuccess :
  (if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true then
      (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
    else
      if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
        (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
      else
        ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                  rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                  ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                  assignments :=
                    restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                      ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
            c,
          true)) =
    (f', true)
⊢ f' = f.insert c
Tactic:
split at rupAddSuccess
Proof state after:
case isFalse.isTrue
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝¹ : ¬(f.insertRupUnits c.negate).snd = true
h✝ : ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true
rupAddSuccess : (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false) = (f', true)
⊢ f' = f.insert c

case isFalse.isFalse
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝¹ : ¬(f.insertRupUnits c.negate).snd = true
h✝ : ¬((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true
rupAddSuccess :
  (if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
      (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
    else
      ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                assignments :=
                  restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                    ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
          c,
        true)) =
    (f', true)
⊢ f' = f.insert c
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
case isFalse.isTrue
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝¹ : ¬(f.insertRupUnits c.negate).snd = true
h✝ : ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true
rupAddSuccess : (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false) = (f', true)
⊢ f' = f.insert c

case isFalse.isFalse
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝¹ : ¬(f.insertRupUnits c.negate).snd = true
h✝ : ¬((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true
rupAddSuccess :
  (if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
      (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
    else
      ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                assignments :=
                  restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                    ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
          c,
        true)) =
    (f', true)
⊢ f' = f.insert c
Tactic:
. simp only [Prod.mk.injEq, and_false] at rupAddSuccess
Proof state after:
case isFalse.isFalse
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝¹ : ¬(f.insertRupUnits c.negate).snd = true
h✝ : ¬((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true
rupAddSuccess :
  (if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
      (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
    else
      ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                assignments :=
                  restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                    ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
          c,
        true)) =
    (f', true)
⊢ f' = f.insert c
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
case isFalse.isFalse
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝¹ : ¬(f.insertRupUnits c.negate).snd = true
h✝ : ¬((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true
rupAddSuccess :
  (if ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.fst = false then
      (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false)
    else
      ({ clauses := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.clauses,
                rupUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.rupUnits,
                ratUnits := ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.ratUnits,
                assignments :=
                  restoreAssignments ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).1.assignments
                    ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.fst }.clearRupUnits.insert
          c,
        true)) =
    (f', true)
⊢ f' = f.insert c
Tactic:
. split at rupAddSuccess
  . simp only [Prod.mk.injEq, and_false] at rupAddSuccess
  . let fc := (insertRupUnits f (negate c)).1
    have fc_assignments_size : (insertRupUnits f (negate c)).1.assignments.size = n := by
      rw [insertRupUnits_preserves_assignments_size f (negate c)]
      exact f_readyForRupAdd.2.1
    simp only [performRupCheck_preserves_clauses, performRupCheck_preserves_rupUnits, performRupCheck_preserves_ratUnits,
      restoreAssignments_performRupCheck fc fc_assignments_size, Prod.mk.injEq, and_true] at rupAddSuccess
    have rupAddSuccess : DefaultFormula.insert (clearRupUnits (insertRupUnits f (negate c)).fst) c = f' := by
      rw [rupAddSuccess]
    rw [clear_insertRup f f_readyForRupAdd (negate c)] at rupAddSuccess
    exact rupAddSuccess.symm
Proof state after:
no goals
Theorem: LRAT.DefaultFormula.rupAdd_result
Proof state before:
case isFalse.isTrue
n : Nat
f : DefaultFormula n
c : DefaultClause n
rupHints : Array Nat
f' : DefaultFormula n
f_readyForRupAdd : f.readyForRupAdd
h✝¹ : ¬(f.insertRupUnits c.negate).snd = true
h✝ : ((f.insertRupUnits c.negate).fst.performRupCheck rupHints).2.2.snd = true
rupAddSuccess : (((f.insertRupUnits c.negate).fst.performRupCheck rupHints).fst, false) = (f', true)
⊢ f' = f.insert c
Tactic:
simp only [Prod.mk.injEq, and_false] at rupAddSuccess
Proof state after:
no goals