2014-06-18 00:15:38 +00:00
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le_eq_trans a d e (le_trans a c d (eq_le_trans a b c H1 H2) H3) H4 : le a e
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calc1.lean:38:10: error: invalid 'calc' expression, transitivity rule is not defined for current step
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le_lt_trans b c d H2 H5 : lt b d
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2014-07-09 08:12:36 +00:00
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[choice ([@ le2_trans] b d e ([@ le2_trans] b c d H2 H3) H4) ([@ le_trans] b d e ([@ le_trans] b c d H2 H3) H4)]
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