Logiweb(TM)

Logiweb aspects of prop lemma mt in pyk

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The predefined "pyk" aspect

define pyk of prop lemma mt as text unicode start of text unicode small p unicode small r unicode small o unicode small p unicode space unicode small l unicode small e unicode small m unicode small m unicode small a unicode space unicode small m unicode small t unicode end of text end unicode text end text end define

The predefined "tex" aspect

define tex of prop lemma mt as text unicode start of text unicode capital m unicode capital t unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of prop lemma mt as system Q infer all metavar var a end metavar indeed all metavar var b end metavar indeed metavar var a end metavar imply metavar var b end metavar infer not0 metavar var b end metavar infer not0 metavar var a end metavar end define

The user defined "the proof aspect" aspect

define proof of prop lemma mt as lambda var c dot lambda var x dot proof expand quote system Q infer all metavar var a end metavar indeed all metavar var b end metavar indeed metavar var a end metavar imply metavar var b end metavar infer not0 metavar var b end metavar infer prop lemma technicality conclude not0 not0 metavar var a end metavar imply metavar var b end metavar cut prop lemma negative mt modus ponens not0 not0 metavar var a end metavar imply metavar var b end metavar modus ponens not0 metavar var b end metavar conclude not0 metavar var a end metavar end quote state proof state cache var c end expand end define

The pyk compiler, version 0.grue.20060417+ by Klaus Grue,
GRD-2006-12-15.UTC:00:32:42.052453 = MJD-54084.TAI:00:33:15.052453 = LGT-4672859595052453e-6