Proof: Difference between revisions

49 bytes added ,  12 years ago
J: bug fix -- forbid a class of unsupported statements
(J: bug fix)
(J: bug fix -- forbid a class of unsupported statements)
Line 464:
 
addition=: +/ dyadic
isN=: ([ assert@is_member_of&(context all))
even=: [: context kernel@addition~"0@,@kernel :[: @isN
odd=: successor@even
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