(electrical engineering) A group of related 1's (implicant) on a Karnaugh map which is not subsumed by any other implicant in the same map. Equivalently (in terms of Boolean algebra), a product term which is a "minimal" implicant in the sense that removing any of its literals will yield a product term which is not an implicant (but beware: on a Karnaugh map it would appear "maximal").

(logic) A well-formed formula which has not been made by combining simpler well-formed formulas by means of logical connectives.

(mathematics) Any odd prime number that is not a regular prime.

(mathematics) A prime number belonging to one of the two groups that prime numbers are divided into. The other group is the irregular primes.

Of or relating to a prime minister.

plural of prime meridian

plural of prime field

(algebra, ring theory) Any (two-sided) ideal I such that for arbitrary ideals P and Q, PQ⊆I⟹P⊆I or Q⊆I.

(algebra, field theory) A field that contains no proper subfields.

The cost of production, without regard to profit.