ponens

We can use a law of logic, modus ponens (if p, then q; p; therefore q) to deduce

Alternative to Dembski's Theodicy? 2009

Perhaps--but were they there as a deliberate logical construction a "modus ponens" or are they there as a result of another process--a process of argument with self?

Refutation in verse 2010

Strictly speaking, If P then Q, ~P, therefore ~Q is invalid -- modus ponens is only valid if you affirm P; it's not if you deny it.

Refutation in verse 2010

An alternative modus ponens is implied, but not fully worked out.

Refutation in verse 2010

An alternative modus ponens is implied, but not fully worked out.

Archive 2010-03-01 2010

The fictionalist would be free from the task of solving Geach's problem taken as the task of explaining why modus ponens and other forms of inference validly apply to moral utterances (Kalderon 2005).

Boys in White Suits 2009

The idea was that the axioms express basic logical truths, and other logical truths are derived from these through modus ponens and universal generalization, the two principles Frege had identified.

Chores 2009

Here is the straightforward interpretation in simple modus ponens form:

Gertrude Elizabeth Margaret Anscombe Driver, Julia 2009

But when (5) is conjoined with the reductio assumption that God exists, it then follows via modus ponens from (6) that either God doesn't have the power to eliminate all evil, or doesn't know when evil exists, or doesn't have the desire to eliminate all evil.

The Problem of Evil Tooley, Michael 2009

The basic sentences (2: 1) - (2: 4) combined with a simple categorical sentence as the second premise boil down to what we today know as modus ponens and modus tollens.

The Statue of a Writer 2009