lean2/tests/lean/empty.lean

import logic logic.choice
open inhabited nonempty

noncomputable definition v1 : Prop := epsilon (λ x, true)
inductive Empty : Type
noncomputable definition v2 : Empty := epsilon (λ x, true)
refactor(library/logic/axioms): we have only one extra axiom 2015-07-29 20:30:18 +00:00			`import logic logic.choice`
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 inhabited nonempty`
fix(library/unifier): fix cryptic error message Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-26 04:10:32 +00:00
feat(library): add 'noncomputable' keyword for the standard library 2015-07-29 04:56:35 +00:00			`noncomputable definition v1 : Prop := epsilon (λ x, true)`
fix(library/unifier): fix cryptic error message Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-26 04:10:32 +00:00			`inductive Empty : Type`
feat(library): add 'noncomputable' keyword for the standard library 2015-07-29 04:56:35 +00:00			`noncomputable definition v2 : Empty := epsilon (λ x, true)`