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Full Idea
We judge to be false that which involves a contradiction, and true that which is opposed or contradictory to the false.
Gist of Idea
Falsehood involves a contradiction, and truth is contradictory of falsehood
Source
Gottfried Leibniz (Monadology [1716], §31)
Book Ref
Leibniz,Gottfried: 'Philosophical Writings', ed/tr. Parkinson,G.H.R. [Dent 1973], p.184
10121 | Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal] |
2111 | Falsehood involves a contradiction, and truth is contradictory of falsehood [Leibniz] |
18736 | Contradiction is between two rules, not between rule and reality [Wittgenstein] |
23496 | Two colours in the same place is ruled out by the logical structure of colour [Wittgenstein] |
12194 | Contradictions include 'This is red and not coloured', as well as the formal 'B and not-B' [Rumfitt] |