Logiweb aspects of h eleven in pyk

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The predefined "pyk" aspect

define pyk of h eleven as text unicode start of text unicode small h unicode space unicode small e unicode small l unicode small e unicode small v unicode small e unicode small n unicode end of text end unicode text end text end define

The predefined "tex" aspect

define tex of h eleven as text unicode start of text unicode newline unicode capital h unicode one unicode one unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of h eleven as system s infer all metavar var a end metavar indeed all metavar var b end metavar indeed all metavar var c end metavar indeed not metavar var a end metavar imply metavar var b end metavar infer metavar var a end metavar imply metavar var c end metavar infer metavar var b end metavar imply metavar var c end metavar infer metavar var c end metavar end define

The user defined "the proof aspect" aspect

define proof of h eleven as lambda var c dot lambda var x dot proof expand quote system s infer all metavar var a end metavar indeed all metavar var b end metavar indeed all metavar var c end metavar indeed not metavar var a end metavar imply metavar var b end metavar infer metavar var a end metavar imply metavar var c end metavar infer metavar var b end metavar imply metavar var c end metavar infer h zero a modus ponens not metavar var a end metavar imply metavar var b end metavar modus ponens metavar var b end metavar imply metavar var c end metavar conclude not metavar var a end metavar imply metavar var c end metavar cut h twelwe modus ponens metavar var a end metavar imply metavar var c end metavar modus ponens not metavar var a end metavar imply metavar var c end metavar conclude metavar var c end metavar end quote state proof state cache var c end expand end define