Noun
The act of contradicting one's self or itself; repugnancy in conceptions or in terms; a proposition consisting of two members, one of which contradicts the other; as, to be and not to be at the same time is a self-contradiction.
Source: Webster's dictionaryAutocratic governments are masters of self-contradiction. They say one thing, do another. Alastair Reynolds
It is. . . axiomatic that we should all think of ourselves as being more sensitive than other people because, when we are insensitive in our dealings with others, we cannot be aware of it at the time conscious insensitivity is a self-contradiction. W. H. Auden
Consistency, then, foolish or otherwise, is one of Blake's chief preoccupations, just as 'self-contradiction' is always one of his most contemptuous comments". Source: Internet
"Regardless of whether we think this is a correct view," adds Rachels, "it is, at the very least, a consistent view, and so this attempt to convict the egoist of self-contradiction fails." Source: Internet
To avoid self-contradiction, it is necessary when discussing truth values to envision levels of languages, each of which can predicate truth (or falsehood) only of languages at a lower level. Source: Internet