Logiweb aspects of pc12 in pyk

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The predefined "pyk" aspect

define pyk of pc12 as text unicode start of text unicode small p unicode small c unicode one unicode two unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of pc12 as pred calc infer all metavar var x end metavar indeed all metavar var r end metavar indeed all metavar var g end metavar indeed all metavar var f end metavar indeed quote metavar var x end metavar end quote avoid zero quote metavar var r end metavar end quote endorse quote metavar var x end metavar end quote avoid zero quote metavar var g end metavar end quote endorse sub zero quote metavar var g end metavar end quote is quote metavar var f end metavar end quote where quote metavar var x end metavar end quote is quote metavar var r end metavar end quote end sub endorse metavar var g end metavar imply exists metavar var x end metavar dot metavar var f end metavar end exists end define

The user defined "the proof aspect" aspect

define proof of pc12 as rule tactic end define