Question

If for all x,p(x) is true then there exists at least one x such that p(x) is true

Answer 1

Answer:

predicate is an expression of one or more variables determined on some specific domain. A predicate with variables can be made a proposition by either authorizing a value to the variable or by quantifying the variable.

The following are some examples of predicates.

Consider E(x, y) denote "x = y"

Consider X(a, b, c) denote "a + b + c = 0"

Consider M(x, y) denote "x is marrie