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A Question of Marriage: Homosexual Marriage and the Slippery Slope Argument

May 4th, 2008 | 2 min read

By Matthew Lee Anderson

One of the more popular arguments against the legalization of homosexual marriage is that it will open the door to polygamous marriages, cross-species marriages, incestuous marriages, etc.  The argument is often dismissed as a "slippery slope" that is unjustified.

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Matthew Lee Anderson

Matthew Lee Anderson is an Associate Professor of Ethics and Theology in Baylor University's Honors College. He has a D.Phil. in Christian Ethics from Oxford University, and is a Perpetual Member of Biola University's Torrey Honors College. In 2005, he founded Mere Orthodoxy.