###
Riddle 0: `not x~flip flip x`

I’m going to start occasionally posting `q`

riddles; this is the first.

When will `{x~flip flip x}`

return false (`0b`

)?

Labels: riddle, riddle question

`not x~flip flip x`

I’m going to start occasionally posting `q`

riddles; this is the first.

When will `{x~flip flip x}`

return false (`0b`

)?

Labels: riddle, riddle question

## 5 Comments:

when (min i)< max i:count each x

@heydi something got mangled, i'm seeing a "missing glyph" character before the less-than sign in your response. what was supposed to be there?

w~flip flip w:(1f;`a`b)

{x~flip flip x}(();())

also works

a column dictionary where 'value x' isn't a rectangular array

q)x~flip flip x:`a`b!(1; 1 2)

0b

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