Logiweb aspects of lemma expZero exact in pyk

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The predefined "pyk" aspect

define pyk of lemma expZero exact 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 e unicode small x unicode small p unicode capital z unicode small e unicode small r unicode small o unicode space unicode small e unicode small x unicode small a unicode small c unicode small t unicode end of text end unicode text end text end define

The predefined "tex" aspect

define tex of lemma expZero exact as text unicode start of text unicode capital e unicode small x unicode small p unicode capital z unicode small e unicode small r unicode small o unicode left parenthesis unicode capital e unicode small x unicode small a unicode small c unicode small t unicode right parenthesis unicode space unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of lemma expZero exact as system Q infer all metavar var x end metavar indeed metavar var x end metavar ^ 0 = 1 end define

The user defined "the proof aspect" aspect

define proof of lemma expZero exact as lambda var c dot lambda var x dot proof expand quote system Q infer all metavar var x end metavar indeed lemma eqReflexivity conclude 0 = 0 cut 1rule expZero modus ponens 0 = 0 conclude metavar var x end metavar ^ 0 = 1 end quote state proof state cache var c end expand end define