
Aug. 1, 2018
1 a.m.
Hi Chris You wrote:
Oh. The equivalent ones are #1 and #2, and #7 and #8, where this proposal doesn't change anything. Otherwise, they're not equivalent.
Are you sure. I'd also expect #10 and #11 to be equivalent. By the way, there's a typo in my examples: 11) (a .? b) ?. c -- Jonathan