(1) A party may in a pleading make inconsistent allegations of fact if the pleading makes it clear that the allegations are pleaded in the alternative.
(2) A party shall not in a pleading make an allegation of fact, or raise a new claim, inconsistent with an allegation made or claim raised in a previous pleading by him.
(3) Subrule (2) does not affect the right of a party to amend, or apply for leave to amend, his previous pleading so as to plead the allegations or claims in the alternative.