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.

Entities must not be multiplied beyond necessity.

What can be explained by the assumption of fewer things is vainly explained by the assumption of more things.

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?

No more things should be presumed to exist than are absolutely necessary.

God's existence cannot be deduced by reason alone.

Pluralitas non est ponenda sine necessitate. A plurality (of reasons) should not be posited without necessity.