lean2/tests/lean/run/have5.lean

import standard
using tactic
variables a b c d : Bool
axiom Ha : a
axiom Hb : b
axiom Hc : c
print raw
  have H1 : a, by assumption,
  then have H2 : b, by assumption,
  have H3 : c, by assumption,
  then have H4 : d, by assumption,
  H4
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			`import standard`
refactor(library/tactic): add namespace 'tactic', improve expr_to_tactic failure error message Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-02 17:35:43 +00:00			`using tactic`
feat(frontends/lean): add 'then have' expression Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-06-20 18:57:01 +00:00			`variables a b c d : Bool`
			`axiom Ha : a`
			`axiom Hb : b`
			`axiom Hc : c`
			`print raw`
feat(library/tactic): rename 'exact' to 'assumption', 'exact' is a different tactic Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-07-03 01:10:42 +00:00			`have H1 : a, by assumption,`
			`then have H2 : b, by assumption,`
			`have H3 : c, by assumption,`
			`then have H4 : d, by assumption,`
feat(frontends/lean): add 'then have' expression Signed-off-by: Leonardo de Moura <leonardo@microsoft.com> 2014-06-20 18:57:01 +00:00			`H4`