Logiweb aspects of lemma formula2pair in pyk

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The predefined "pyk" aspect

define pyk of lemma formula2pair as text unicode start of text unicode small l unicode small e unicode small m unicode small m unicode small a unicode space unicode small f unicode small o unicode small r unicode small m unicode small u unicode small l unicode small a unicode two unicode small p unicode small a unicode small i unicode small r unicode end of text end unicode text end text end define

The predefined "tex" aspect

define tex of lemma formula2pair as text unicode start of text unicode capital f unicode small o unicode small r unicode small m unicode small u unicode small l unicode small a unicode two unicode capital p unicode small a unicode small i unicode small r unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of lemma formula2pair as system Q infer all metavar var sx end metavar indeed all metavar var sy end metavar indeed all metavar var sz end metavar indeed not0 metavar var sx end metavar = metavar var sy end metavar imply metavar var sx end metavar = metavar var sz end metavar infer metavar var sx end metavar in0 zermelo pair metavar var sy end metavar comma metavar var sz end metavar end pair end define

The user defined "the proof aspect" aspect

define proof of lemma formula2pair as rule tactic end define