Logiweb(TM)

Logiweb aspects of f.subst ( " , " , " ) in pyk

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The "pyk" aspect

Define pyk of f.subst ( asterisk , asterisk , asterisk ) as "f.subst ( "! , "! , "! )" end define

The "value" aspect

define value of f.subst ( x , s , c ) as norm { x is val : { s is val : { c is val : LET lookup ( x , s , true ) BE { asterisk IN LET asterisk BE { d IN if .not. d then d else LET x valuedef ( c ) BE { asterisk IN LET asterisk BE { d IN if d = 1 then x else if d != 0 then x head :: f.subst* ( x tail , s , c ) else { x head :: { x first :: { f.subst ( x second , remove ( x first , s ) , c ) :: <<>> } } } } } } } } } } end define

The pyk compiler, version 0.1.9 by Klaus Grue,
GRD-2007-07-12.UTC:20:13:13.678589 = MJD-54293.TAI:20:13:46.678589 = LGT-4690988026678589e-6