These are typically not the original axioms revealed by Peano, but are named in his honor. Some sorts of the Peano axioms have one in place of 0. In standard arithmetic, the successor of x displaystyle x Even if this solution is simply too lengthy for the context, owing to https://share.evernote.com/note/a8fd1cb2-5733-5366-f5df-7a36578ae666