Logiweb aspects of mendelson proposition three two a in pyk

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The predefined "pyk" aspect

define pyk of mendelson proposition three two a as text unicode start of text unicode small m unicode small e unicode small n unicode small d unicode small e unicode small l unicode small s unicode small o unicode small n unicode space unicode small p unicode small r unicode small o unicode small p unicode small o unicode small s unicode small i unicode small t unicode small i unicode small o unicode small n unicode space unicode small t unicode small h unicode small r unicode small e unicode small e unicode space unicode small t unicode small w unicode small o unicode space unicode small a unicode end of text end unicode text end text end define

The predefined "tex" aspect

define tex of mendelson proposition three two a as text unicode start of text unicode capital m unicode small e unicode small n unicode small d unicode small e unicode small l unicode small s unicode small o unicode small n unicode backslash unicode space unicode backslash unicode small t unicode small e unicode small x unicode small t unicode small b unicode small f unicode left brace unicode three unicode period unicode two unicode right brace unicode backslash unicode space unicode small a unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of mendelson proposition three two a as system prime s infer all metavar var a end metavar indeed ( metavar var a end metavar peano is metavar var a end metavar ) end define

The user defined "the proof aspect" aspect

define proof of mendelson proposition three two a as lambda var c dot lambda var x dot proof expand quote system prime s infer all metavar var a end metavar indeed ( ( axiom prime s five conclude ( ( metavar var a end metavar peano plus peano zero ) peano is metavar var a end metavar ) ) cut ( ( ( inference inference axiom prime s one modus ponens ( ( metavar var a end metavar peano plus peano zero ) peano is metavar var a end metavar ) ) modus ponens ( ( metavar var a end metavar peano plus peano zero ) peano is metavar var a end metavar ) ) conclude ( metavar var a end metavar peano is metavar var a end metavar ) ) ) end quote state proof state cache var c end expand end define