invalidity

English Thesaurus

1. illogicality as a consequence of having a conclusion that does not follow from the premisses (noun.attribute)

hypernym	:	illogic, illogicality, illogicalness, inconsequence,
definition	:	invalid or incorrect reasoning (noun.attribute)

hyponym	:	fallaciousness,
definition	:	result of a fallacy or error in reasoning (noun.attribute)

derivation	:	invalid,
definition	:	having no cogency or legal force (adj.all)

derivation	:	invalid,
definition	:	having no cogency or legal force (adj.all)