Logical Assertion

A logical assertion is a statement that asserts that a certain premise is true, and is useful for statements in proof. It is equivalent to a sequent with an empty antecedent.

For example, if p = "x is even", the implication

is thus true. We can also write this using the logical assertion symbol, as

Famous quotes containing the words logical and/or assertion:

    “The novel is not “a crazy quilt of bits”; it is a logical sequence of psychological events: the movements of stars may seem crazy to the simpleton, but wise men know the comets come back.”
    —Vladimir Nabokov (1899–1977)

    “Flowers ... are a proud assertion that a ray of beauty outvalues all the utilities of the world.”
    —Ralph Waldo Emerson (1803–1882)