Does anyone know the name of this fallacy?

Aldo	Does anyone know the name of this fallacy? Person A makes claim X. Person B provides evidence Y against claim X. Person A presents a modified version of claim X that doesn't conflict with evidence Y. Person B accepts the new version of claim X. Person A now continues as if the original version of claim X is the accepted version. Thanks in advance, it's been driving me nuts!
	asked on Tuesday, Mar 28, 2017 11:48:49 AM by Aldo
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Bo Bennett, PhD 0	It's basically Moving the Goalposts . It is fallacious for the person A to change the argument without acknowledging the defeat, and it is fallacious for person B to accept the evidence for the changed argument.
	answered on Tuesday, Mar 28, 2017 11:52:33 AM by Bo Bennett, PhD
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