Theism Without a Revelation is Deism

Theism is used as a springboard for defending Christian theism, for if theism is true then Christianity isn't far behind. I disagree.

Theism without an adherence to a particular branch of theism reduces to deism, for the three main branches of theism (Judaism, Islam and Christianity) all depend upon embracing a particular revelation from their God, along with the "correct" interpretation of that revelation. Without a revelation from God theism collapses into deism, which is basically equivalent to the philosopher's god, since deism is not a set of beliefs; it is a method whereby a particular theological viewpoint is adopted based upon reason. Anything not supported by reason is to be rejected by the deist. And moving from deism to Christian theism is like flying a plane to the moon. [Deism went through four stages which traveled from continent to continent and flourished in the 16th-18th centuries, although people still maintain it today.]