lean2/tests/lean/run/tactic3.lean

import logic
open tactic

theorem tst {A B : Prop} (H1 : A) (H2 : B) : A
:= by (trace "first";  state; now  |
       trace "second"; state; fail |
       trace "third";  assumption)

check tst
chore(*): minimize dependencies on tests Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-08-25 02:58:48 +00:00			`import logic`
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 tactic`
feat(frontends/lean): add notation for orelse tactic, add show and now tactics Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-06-29 18:39:05 +00:00
refactor(*): rename Bool to Prop Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-22 16:43:18 +00:00			`theorem tst {A B : Prop} (H1 : A) (H2 : B) : A`
feat(frontends/lean): round parenthesis for [tactic1 \| tactic2] This commit also replaces the notation for divides `(` a `\|` b `)` with a `∣` b The character `∣` is entered by typing \\| closes #516 2015-04-06 16:24:09 +00:00			`:= by (trace "first"; state; now \|`
fix(library/standard): orelse notation, avoid conflict with inductive datatype declaration Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-04 17:10:05 +00:00			`trace "second"; state; fail \|`
feat(frontends/lean): round parenthesis for [tactic1 \| tactic2] This commit also replaces the notation for divides `(` a `\|` b `)` with a `∣` b The character `∣` is entered by typing \\| closes #516 2015-04-06 16:24:09 +00:00			`trace "third"; assumption)`
feat(frontends/lean): remove build_tactic_cmds, and use expressions for representing tactics Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-02 03:43:53 +00:00
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			`check tst`