he spoke as if he thought his claims were immune to contradiction.
Examples of contradiction
contradiction
In an attempt to clarify this contradiction, the researchers repeated the study.
From the economist.com
I believe wholeheartedly that there cannot be any contradiction between the two.
From the scienceblogs.com
The contradiction between compassion and anatman seems to be a part of Buddhism.
From the en.wikipedia.org
It's now under the Romanian ministry of agriculture, and that's a contradiction.
From the denverpost.com
Schlafly's presence at these things seemed to me to be a contradiction in terms.
From the ideas.time.com
The starting point for the Baltimore-based nonprofit group was a contradiction.
From the washingtonpost.com
American politicians have gotten around this contradiction by promising the moon.
From the jsonline.com
There's also the contradiction about what sort of immigrants we want to keep out.
From the time.com
A viable, prospering Palestinian state would render the contradiction academic.
From the theatlantic.com
More examples
Opposition between two conflicting forces or ideas
(logic) a statement that is necessarily false; "the statement `he is brave and he is not brave' is a contradiction"
The speech act of contradicting someone; "he spoke as if he thought his claims were immune to contradiction"
(contradict) deny the truth of
(contradict) oppose: be resistant to; "The board opposed his motion"
(contradict) negate: prove negative; show to be false
(contradictory) two propositions are contradictories if both cannot be true (or both cannot be false) at the same time
(contradictory) confounding: that confounds or contradicts or confuses
In classical logic, a contradiction consists of a logical incompatibility between two or more propositions. It occurs when the propositions, taken together, yield two conclusions which form the logical, usually opposite inversions of each other. ...