Yes it does.
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There is no whole number without a predecessor. According to Peano's axioms, the number natural 0 has no predecessor.
No. 1 does not have a predecessor: 0 is not a natural number.
a thing that has been followed or replaced by another: 2 is the predecessor of 3
-1Another opinionIf this question in asking about so-called "absolute numbers" - which are numbers without any signs (+ or -) - then there is no whole number predecessor to zero.
Natural numbers, which were around before the concept of negative numbers