lean2/tests/lean/run/tactic19.lean

import logic
using tactic

theorem tst {A : Type} {f : A → A → A} {a b c : A} (H1 : a = b) (H2 : b = c) : f a b = f b c
:= by apply congr;
      apply (subst H2);
      apply refl;
      assumption
chore(*): minimize dependencies on tests Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-08-25 02:58:48 +00:00			`import logic`
fix(library/unifier): missing case Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-03 17:50:08 +00:00			`using tactic`

			`theorem tst {A : Type} {f : A → A → A} {a b c : A} (H1 : a = b) (H2 : b = c) : f a b = f b c`
			`:= by apply congr;`
			`apply (subst H2);`
			`apply refl;`
			`assumption`