Theorem: substructure_unit_1'' (Test/Bv/Substructure.lean)

State before:
x y z : BitVec 8
⊢ (decide (x = y)).and (decide (y = z)) = true ↔ ¬(!decide (x = y)).or (decide (y = z)).not = true
Tactic:
bv_decide
State after:
no goals