2 ms·

I tried to pick an easy one: "x=y => xz=yz": http://mmlquery.mizar.org/mmlquery/fillin.php?entry=SURREALR:54&comment=Conway+Ch.1+Th.8(i) http://mmlquery.miza

I tried to pick an easy one: "x=y => x*z=y*z": http://mmlquery.mizar.org/mmlquery/fillin.php?entry=SURREALR:54&comment=Conway+Ch.1+Th.8(i) http://mmlquery.mizar.org/mmlquery/fillin.php?entry=SURREALR... Why it says "sureal"?

robinzfc 1y ago
It's about surreal numbers https://en.wikipedia.org/wiki/Surreal_number https://en.wikipedia.org/wiki/Surreal_number