lean2/tests/lean/disjcases.lean

(* import("tactic.lua") *)
variables a b c : Bool
axiom H : a \/ b
theorem T (a b : Bool) : a \/ b → b \/ a.
   apply (or_elim H).
   apply or_intror.
   exact.
   apply or_introl.
   exact.
   done.
feat(frontends/lean): use '(* ... )' instead of '(* ... **)' for script code blocks Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 10:32:47 -08:00			`(* import("tactic.lua") *)`
feat(frontends/lean): use lowercase commands, replace 'endscope' and 'endnamespace' with 'end' Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-05 12:05:08 -08:00			`variables a b c : Bool`
			`axiom H : a \/ b`
feat(kernel): use Pi as forall/implication Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-08 00:38:39 -08:00			`theorem T (a b : Bool) : a \/ b → b \/ a.`
chore(*): cleanup lean builtin symbols, replace :: with _ Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-09 08:33:52 -08:00			`apply (or_elim H).`
			`apply or_intror.`
refactor(frontends/lean/parser): tactic macros, and tactic Lua bindings Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-26 15:54:53 -08:00			`exact.`
chore(*): cleanup lean builtin symbols, replace :: with _ Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-01-09 08:33:52 -08:00			`apply or_introl.`
refactor(frontends/lean/parser): tactic macros, and tactic Lua bindings Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-26 15:54:53 -08:00			`exact.`
feat(library/tactic/apply_tactic): improved parametric apply_tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2013-12-24 22:40:34 -08:00			`done.`