Search Result for "non sequitur":
Wordnet 3.0

NOUN (2)

1. a reply that has no relevance to what preceded it;

2. (logic) a conclusion that does not follow from the premises; 



The Collaborative International Dictionary of English v.0.48:

Non sequitur \Non seq"ui*tur\ [L., it does not follow.] (Logic)
   An inference which does not follow from the premises.
   [1913 Webster]


WordNet (r) 3.0 (2006):

non sequitur
    n 1: a reply that has no relevance to what preceded it
    2: (logic) a conclusion that does not follow from the premises