lean2/tests/lean/disj1.lean

import tactic

theorem T1 (a b : Bool) : a \/ b → b \/ a.
    (* disj_hyp_tac() *)
    (* disj_tac() *)
    back
    exact.
    (* disj_tac() *)
    exact.
    done.

(*
simple_tac = Repeat(OrElse(assumption_tac(), disj_hyp_tac(), disj_tac())) .. now_tac()
*)

theorem T2 (a b : Bool) : a \/ b → b \/ a.
    simple_tac.
    done.

print environment 1.
feat(frontends/lean): use lowercase commands, replace 'endscope' and 'endnamespace' with 'end' Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 20:05:08 +00:00			`import tactic`
refactor(frontends/lean/parser): tactic macros, and tactic Lua bindings Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-26 23:54:53 +00:00
feat(kernel): use Pi as forall/implication Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-08 08:38:39 +00:00			`theorem T1 (a b : Bool) : a \/ b → b \/ a.`
feat(frontends/lean): use '(* ... )' instead of '(* ... **)' for script code blocks Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 18:32:47 +00:00			`(* disj_hyp_tac() *)`
			`(* disj_tac() *)`
feat(library/tactic): add disj_tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-05 12:41:08 +00:00			`back`
refactor(frontends/lean/parser): tactic macros, and tactic Lua bindings Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-26 23:54:53 +00:00			`exact.`
feat(frontends/lean): use '(* ... )' instead of '(* ... **)' for script code blocks Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 18:32:47 +00:00			`(* disj_tac() *)`
refactor(frontends/lean/parser): tactic macros, and tactic Lua bindings Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-26 23:54:53 +00:00			`exact.`
			`done.`
feat(library/tactic): add disj_tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-05 12:41:08 +00:00
feat(frontends/lean): use '(* ... )' instead of '(* ... **)' for script code blocks Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 18:32:47 +00:00			`(*`
feat(kernel): use Pi as forall/implication Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-08 08:38:39 +00:00			`simple_tac = Repeat(OrElse(assumption_tac(), disj_hyp_tac(), disj_tac())) .. now_tac()`
feat(frontends/lean): use '(* ... )' instead of '(* ... **)' for script code blocks Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 18:32:47 +00:00			`*)`
feat(library/tactic): add disj_tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-05 12:41:08 +00:00
feat(kernel): use Pi as forall/implication Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-08 08:38:39 +00:00			`theorem T2 (a b : Bool) : a \/ b → b \/ a.`
refactor(frontends/lean/parser): tactic macros, and tactic Lua bindings Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-26 23:54:53 +00:00			`simple_tac.`
			`done.`
feat(library/tactic): add disj_tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-05 12:41:08 +00:00
feat(frontends/lean): use lowercase commands, replace 'endscope' and 'endnamespace' with 'end' Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 20:05:08 +00:00			`print environment 1.`