I was unaware Taney denied it in his memoirs. Do tell where he did so. Also...why do you suppose several other sources - 3 of them - say Lincoln signed the arrest warrant for Chief Justice Taney?
Denied it? He didn't even mention it. Feel free to read it for yourself: Memoir of Roger Brooke Taney, LL.D.: Chief Justice of the Supreme Court of the United States
It's actually a pretty interesting read. Taney apologized for almost nothing, so if he really thought Lincoln was going to arrest him I have a hard time believing he would have left that part out.
Do tell where he did so.
Taney approached Samuel Tyler some time in 1862 to write his memoires. It's all there in the book.
Also...why do you suppose several other sources - 3 of them - say Lincoln signed the arrest warrant for Chief Justice Taney?
Why do you suppose that several other sources - three biographies and one autobiography - have nothing to say on any arrest warrant claims?