The property of a logical theory that whenever a wff is valid then it must also be a theorem. Symbolically, letting T represent a theory within logic L, this can be represented as the property that whenever T vDash 𝜙 is true, then T⊢𝜙 must also be true, for any wff φ of logic L.
The state or condition of being complete.
A measure of how rough something is, such as a surface
Abundance, especially of food.
Roughage; coarse fodder.
The property of being rough, coarseness.
Something that is rough; a rough spot.