Additional distinct variable conditions can really weaken results (and / or make theorems much more difficult to use)
Glauco Il giorno sabato 4 luglio 2020 09:59:13 UTC+2, ookami ha scritto: > > Hmm. elsb4 has an extra distinct variable condition (x and y must be > different), which the original theorem does not have. I did not look at the > other results, but some care is in order, I think. > > Wolf > >> >> -- You received this message because you are subscribed to the Google Groups "Metamath" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/metamath/e2456dbb-8950-4d0f-85c1-98934557ee16o%40googlegroups.com.
