Logiweb(TM)

Logiweb aspects of eval-at1 ( " , " , " , " , " ) in pyk

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The "pyk" aspect

Define pyk of eval-at1 ( asterisk , asterisk , asterisk , asterisk , asterisk ) as "eval-at1 ( "! , "! , "! , "! , "! )" end define

The "value" aspect

define value of eval-at1 ( R , v , s , d , c ) as norm { R is val : { v is val : { s is val : { d is val : { c is val : if v then metasubstc ( R , s , c ) else if mismatch ( quote All x : y end quote , R , c ) then error ( d , LocateProofLine ( d , c ) diag ( "At-seqop used on non-quantifier:" ) disp ( R ) end diagnose ) else eval-at1 ( R second , v tail , { R first :: { v head } } :: s , d , c ) } } } } } end define

The pyk compiler, version 0.1.9 by Klaus Grue,
GRD-2007-07-12.UTC:20:11:58.175987 = MJD-54293.TAI:20:12:31.175987 = LGT-4690987951175987e-6