Proof: Difference between revisions

3 bytes added ,  11 years ago
J: bug fix
(J: show some (boring but relevant) output)
(J: bug fix)
Line 444:
exists_in=: 1&e.@e.
induction=:4 :0
3 :'(y)=:?~#all'&.>;:x
assert (#all) > #;._1 LF,y
assert 0 = # y -.&;: LF,defined,x
6,951

edits