lean4-htt/tests/lean/unfold1.lean.expected.out at 761950bc3b72aba6029ea62be7480e73b09ed708 - max/lean4-htt - maxgit: wireguard access, git repository.

max/lean4-htt

Leonardo de Moura ef23c591fc feat(library/init/meta): implement unfold tactics in Lean using new building blocks

2016-10-12 17:25:56 -07:00

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 ⊢ list.nil = list.nil
 h : ℕ,
 t : list ℕ,
 iH : list.append t list.nil = t
 ⊢ list.append (h :: t) list.nil = h :: t
 ------
 h : ℕ,
 t : list ℕ,
 iH : list.append t list.nil = t
 ⊢ h :: list.append t list.nil = h :: t