M1 Topic 2: Predicates and Quantifiers Flashcards
A statement expressed in a way that would assume the value of true or false
Predicate or propositional function
May be created from a propositional function by either assigning a value to the variable or by quantification
Proposition
The variable of a propositional function must have this
Universe of discourse (domain of discourse)
Often referred to as the domain
Universe of discourse
Expresses the extent to which a propositional function is true over a range of elements
Quantification (quantifier)
The words all, some, many, none, and few are used in _______
Quantifications
The proposition “P(x) is true for all values x in the universe of discourse.”
Universal quantification of P(x)
The proposition “There exists an element x in the universe of discourse such that P(x) is true.”
Existential quantification of P(x)