Admin (admin) 's status on Tuesday, 02-Mar-10 20:51:59 UTC

  1. Admin admin

    Forall x.P(x) -> Exists x.P(x) is universal instantiation, but someone claims it to be an "Existential Fallacy". In DL, it is not valid.

    Tuesday, 02-Mar-10 20:51:59 UTC from web