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> 2014-08-25 02:58:48 +00:00			`import logic`
feat(frontends/lean): rename 'using' command to 'open' Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-09-03 23:00:38 +00:00			`open tactic`
feat(library/tactic): add apply tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-06-30 01:26:07 +00:00
refactor(library/tactic): elaborate expressions nested in tactics with respect to current goal, save postponed constraints (e.g., flex-flex constraints) closes #44, fixes #70 2014-10-15 00:12:57 +00:00			`theorem tst {A B : Prop} (H1 : A) (H2 : B) : A ∧ B ∧ A :=`
			`by apply @and.intro;`
feat(library/tactic): change apply tactic semantics: goals are not reversed; and dependent arguments are not included This commit also adds the tactic rapply that corresponds to the previous semantics we have been using. 2014-10-23 01:11:09 +00:00			`apply (show A, from H1);`
			`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 20:14:50 +00:00
feat(frontends/lean): rename 'using' command to 'open' Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-09-03 23:00:38 +00:00			`check @tst`