Theorem: LO.Modal.Standard.AxiomSet.Geach.CD_def (Logic/Modal/Standard/Geach.lean)

State before:
α : Type u_1
Ax : AxiomSet α
⊢ 𝗴𝗲({ i := 1, j := 1, m := 0, n := 0 }) = 𝗖𝗗
Tactic:
aesop
State after:
no goals