Logiweb(TM)

Logiweb aspects of lemma numericalDifference in pyk

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The predefined "pyk" aspect

define pyk of lemma numericalDifference 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 n unicode small u unicode small m unicode small e unicode small r unicode small i unicode small c unicode small a unicode small l unicode capital d unicode small i unicode small f unicode small f unicode small e unicode small r unicode small e unicode small n unicode small c unicode small e unicode end of text end unicode text end text end define

The predefined "tex" aspect

define tex of lemma numericalDifference as text unicode start of text unicode capital n unicode small u unicode small m unicode small e unicode small r unicode small i unicode small c unicode small a unicode small l unicode capital d unicode small i unicode small f unicode small f unicode small e unicode small r unicode small e unicode small n unicode small c unicode small e unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of lemma numericalDifference as system Q infer all metavar var x end metavar indeed all metavar var y end metavar indeed | metavar var x end metavar + - metavar var y end metavar | = | metavar var y end metavar + - metavar var x end metavar | end define

The user defined "the proof aspect" aspect

define proof of lemma numericalDifference as lambda var c dot lambda var x dot proof expand quote system Q infer all metavar var x end metavar indeed all metavar var y end metavar indeed lemma signNumerical conclude | metavar var x end metavar + - metavar var y end metavar | = | - metavar var x end metavar + - metavar var y end metavar | cut lemma minusNegated conclude - metavar var x end metavar + - metavar var y end metavar = metavar var y end metavar + - metavar var x end metavar cut lemma sameNumerical modus ponens - metavar var x end metavar + - metavar var y end metavar = metavar var y end metavar + - metavar var x end metavar conclude | - metavar var x end metavar + - metavar var y end metavar | = | metavar var y end metavar + - metavar var x end metavar | cut lemma eqTransitivity modus ponens | metavar var x end metavar + - metavar var y end metavar | = | - metavar var x end metavar + - metavar var y end metavar | modus ponens | - metavar var x end metavar + - metavar var y end metavar | = | metavar var y end metavar + - metavar var x end metavar | conclude | metavar var x end metavar + - metavar var y end metavar | = | metavar var y end metavar + - metavar var x 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-2006-12-29.UTC:09:42:35.018035 = MJD-54098.TAI:09:43:08.018035 = LGT-4674102188018035e-6