In 451, the '''Council of Chalcedon''' determined that [[Christ]] is [[God]], that Christ is [[man]], that Christ is one person (not two), and that the deity and humanity of Christ are not blurred.
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In A.D. 451, the '''Council of Chalcedon''' determined that [[Christ]] is [[God]], that Christ is [[man]], that Christ is one person (not two), and that the deity and humanity of Christ are not blurred. This Council thereby condemned the heresies of [[Monophysitism]] or [[Eutychianism]].