lean2/tests/lean/interactive/t3.lean

Theorem T2 (a b : Bool) : b => a \/ b.
apply imp_tac.
apply disj_tac.
back.
back.
assumption.
done.

Show Environment 1.
test(tests/lean/interactive): add back command test Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-06 01:19:53 +00:00			`Theorem T2 (a b : Bool) : b => a \/ b.`
feat(library/tactic): use _tac suffix instead of _tactic like Isabelle Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-06 04:00:20 +00:00			`apply imp_tac.`
			`apply disj_tac.`
test(tests/lean/interactive): add back command test Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-06 01:19:53 +00:00			`back.`
			`back.`
feat(library/tactic): use _tac suffix instead of _tactic like Isabelle Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-06 04:00:20 +00:00			`assumption.`
test(tests/lean/interactive): add back command test Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-06 01:19:53 +00:00			`done.`

			`Show Environment 1.`