lean2/tests/lean/run/tactic8.lean

import logic
open tactic

theorem tst {A B : Prop} (H1 : A) (H2 : B) : A ∧ B ∧ A
:= by (apply @and.intro;
       apply (show A, from H1);
       apply (show B ∧ A, from and.intro H2 H1))

check @tst
chore(*): minimize dependencies on tests Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-08-24 19:58:48 -07:00			`import logic`
feat(frontends/lean): rename 'using' command to 'open' Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-09-03 16:00:38 -07:00			`open tactic`
feat(library/tactic): add apply tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-06-29 18:26:07 -07:00
refactor(*): rename Bool to Prop Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-22 09:43:18 -07:00			`theorem tst {A B : Prop} (H1 : A) (H2 : B) : A ∧ B ∧ A`
feat(frontends/lean/inductive_cmd): prefix introduction rules with the name of the inductive datatype Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-09-04 16:36:06 -07:00			`:= by (apply @and.intro;`
feat(library/tactic): new apply tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-02 13:14:50 -07:00			`apply (show A, from H1);`
feat(frontends/lean/inductive_cmd): prefix introduction rules with the name of the inductive datatype Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-09-04 16:36:06 -07:00			`apply (show B ∧ A, from and.intro H2 H1))`
feat(library/tactic): new apply tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-02 13:14:50 -07:00
feat(frontends/lean): rename 'using' command to 'open' Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-09-03 16:00:38 -07:00			`check @tst`