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:

    I see mysteries and complications wherever I look, and I have never met a steadily logical person.
    Martha Gellhorn (b. 1908)

    What stunned me was the regular assertion that feminists were “anti-family.” . . . It was motherhood that got me into the movement in the first place. I became an activist after recognizing how excruciatingly personal the political was to me and my sons. It was the women’s movement that put self-esteem back into “just a housewife,” rescuing our intelligence from the junk pile of “instinct” and making it human, deliberate, powerful.
    Mary Kay Blakely (20th century)