Logiweb aspects of contraexample lemma in pyk

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The predefined "pyk" aspect

define pyk of contraexample lemma as text unicode start of text unicode small c unicode small o unicode small n unicode small t unicode small r unicode small a unicode small e unicode small x unicode small a unicode small m unicode small p unicode small l unicode small e unicode space unicode small l unicode small e unicode small m unicode small m unicode small a unicode end of text end unicode text end text end define

The predefined "tex" aspect

define tex of contraexample lemma as text unicode start of text unicode newline unicode capital c unicode small o unicode small n unicode small t unicode small r unicode small a unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of contraexample lemma as example theory infer true pair true math equal true infer absurdity end define

The user defined "the proof aspect" aspect

define proof of contraexample lemma as rule tactic end define