lean2/tests/lean/tactic8.lean

(* import("tactic.lua") *)
Theorem T (a b : Bool) : a \/ b => (not b) => a := _.
     apply Discharge
     apply Discharge
     disj_hyp
     exact
     absurd
     done
print Environment 1.
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			`(* import("tactic.lua") *)`
feat(library/tactic): add absurd_tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-01 15:44:49 +00:00			`Theorem T (a b : Bool) : a \/ b => (not 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			`apply Discharge`
			`apply Discharge`
			`disj_hyp`
			`exact`
			`absurd`
feat(library/tactic): add absurd_tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-01 15:44:49 +00:00			`done`
feat(frontends/lean/parser): combine Echo and Show commands into the 'print' command Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 19:03:35 +00:00			`print Environment 1.`