Plurality is not to be posited without necessity.

When you have two competing theories that make exactly the same predictions, the simpler one is the better.

Entities should not be posited unnecessarily.

Plurality should not be assumed without necessity.

3 is a prime, 5 is a prime, and 7 is a prime. Why bother with non-prime numbers when the primes can do everything?

Plurality is not to be posited without necessity.

First it must be known that only a spoken word or a conventional sign is an equivocal or univocal term; therefore a mental contentor concept is, strictly speaking, neither equivocal nor univocal.