lean2/tests/lean/run/have5.lean
Leonardo de Moura e1d909455c 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 10:45:09 -07:00

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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 exact,
then have H2 : b, by exact,
have H3 : c, by exact,
then have H4 : d, by exact,
H4