neitunarháttur

Icelandic

Etymology

From neitun (“refusal, negation”) +‎ háttur (“mood, custom”).

Pronunciation

  • IPA(key): /ˈneiːtʏnarˌhauhtʏr/

Noun

Examples (logic: denial of consequent by denial of antecedent)
  1. I always cry at weddings.
  2. I didn't cry.
  3. Therefore, I was not at a wedding.

neitunarháttur m (genitive singular neitunarháttar, nominative plural neitunarhættir)

  1. (philosophy, logic) modus tollens; (a valid form of argument in which the consequent of a conditional proposition is denied, entailing the denial of the consequent):
    1. If P, then Q.
    2. Not Q.
    3. Therefore, not P.

Declension

Declension of neitunarháttur (masculine, based on háttur)
singular plural
indefinite definite indefinite definite
nominative neitunarháttur neitunarhátturinn neitunarhættir neitunarhættirnir
accusative neitunarhátt neitunarháttinn neitunarhætti neitunarhættina
dative neitunarhætti neitunarhættinum neitunarháttum neitunarháttunum
genitive neitunarháttar neitunarháttarins neitunarhátta neitunarháttanna
  • aðskilnaðarregla, aðskilnaðarháttur (“modus ponens”)
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