On 7 July 2016 at 12:55, Jay Foad wrote: > (⊂+/3 4 ⍴ 5 6)≡3 4 +.⍴ 5 6 > 1
Ah, I see what you mean. But it still wasn't my error, it's really what ISO says. It's not equivalent to APL2 definition, nor to Dyalog's one, and it seems to be wrong altogether. -k
