Complex sentence: Anti-foundationalism (also called nonfoundationalism) is any philosophy which rejects a foundationalist approach, i.e. an anti-foundationalist is one who does not believe that there is some fundamental belief or principle which is the basic ground or foundation of inquiry and knowledge.
Split into simpler sentences: Anti-foundationalism (also called nonfoundationalism) is any philosophy which rejects a foundationalist approach. An anti-foundationalist is one who does not believe that there is some fundamental belief or principle which is the basic ground or foundation of inquiry and knowledge.