lean2/tests/lean/run/decidable.lean

import logic data.unit
open bool unit decidable

constants a b c : bool
constants u v : unit
set_option pp.implicit true
check if ((a = b) ∧ (b = c) → ¬ (u = v) ∨ (a = c) → (a = c) ↔ a = tt ↔ true) then a else b
-												chore(*): minimize dependencies on tests

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

											
										
										
											2014-08-25 02:58:48 +00:00
+								import logic data.unit
-												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 bool unit decidable
-												feat(library/standard): add more decidable instances

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

											
										
										
											2014-07-20 00:09:37 +00:00
-												refactor(frontends/lean): constant/axiom are top-level commands, parameter/variable/hypothesis/conjecture are section/context-level commands

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

											
										
										
											2014-10-02 23:20:52 +00:00
+								constants a b c : bool
 								constants u v : unit
-												test(tests/lean/run/decidable): show implicit argument that is computed automatically

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

											
										
										
											2014-07-22 12:58:36 +00:00
+								set_option pp.implicit true
-												refactor(library/standard): use new coding style, rename bool.b0 and bool.b1 to bool.ff and bool.tt

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

											
										
										
											2014-07-29 02:58:57 +00:00
+								check if ((a = b) ∧ (b = c) → ¬ (u = v) ∨ (a = c) → (a = c) ↔ a = tt ↔ true) then a else b