simp only [CompleteLattice.bot_sup] at wf
I : Type u₀
C : IContainer' I
i : I
x✝ : M C i
m : Container.M (toContainer C)
wf✝ : ↑(pgfp (WellFormedF C)) ⊥ i m
wf : ↑(WellFormedF C) (⊥ ⊔ ↑(pgfp (WellFormedF C)) ⊥) i m
⊢ i = Idx C (Container.M.destruct ↑{ val := m, property := wf✝ }).fst
I : Type u₀
C : IContainer' I
i : I
x✝ : M C i
m : Container.M (toContainer C)
wf✝ : ↑(pgfp (WellFormedF C)) ⊥ i m
wf : ↑(WellFormedF C) (↑(pgfp (WellFormedF C)) ⊥) i m
⊢ i = Idx C (Container.M.destruct ↑{ val := m, property := wf✝ }).fst