Superposition with equality resolution and equality factoring is said to be a complete calculus for first-order logic. The purpose of equality factoring is basically to get rid of paraduplicate ...
Motivation: I'm writing a proof, and within it, I need to prove: Conjecture: Let $p$ be an odd prime (i.e. $p \neq 2$). Let $c \geq 2$, $d \geq 1$ and $r \geq 1$. If $p^r$ divides $cd$, then $d(...