lean2/tests/lean/tactic14.lean.expected.out at 7726ccad28910830827d5d853571a01df482b305 - michael/lean2 - Forgejo: Beyond coding. We forge.

michael/lean2

Leonardo de Moura 7726ccad28 chore(builtin): rename nat, int and real modules to Nat, Int and Real.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

2014-01-01 13:52:25 -08:00

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   Set: pp::colors
   Set: pp::unicode
   Imported 'Int'
   Proved: T1
 Theorem T1 (a b : ℤ) (f : ℤ → ℤ) (assumption : a = b) : f (f a) = f (f b) :=
     Congr (Refl f) (Congr (Refl f) assumption)