Sentence examples for existential propositions from inspiring English sources

For Mulla Sadra, existential propositions are not analytic.

According to Leśniewski's dissertation and first paper, all positive existential propositions are analytic.

Those that wouldn't would certainly be negative propositions and possibly existential propositions.

(We simply do not know enough about how Aristotle conceived of the logical form of existential propositions).

In 1912 he obtained his doctorate with a dissertation Przyczynek do analizy zdań egzystencjalnych [Contributions to the Analysis of Existential Propositions].

Otherwise it would reduce to the (non-controversial) claim that all categorial judgements are expressible in the form of existential propositions.

To show the latter would require showing that a negative existential proposition is true.

Rather, they have meaning only in the context of the sentence in which they occur, a sentence whose assertive utterance expresses a complex existential proposition to the effect that there exists a unique F and whatever is F is G.

There is a world w at which the existential proposition [there is something such that there is no actual thing identical to it] is true but there is no singular proposition [there is no actual thing identical to o] true at w as there is no such entity o.

For example, the falsity of the general proposition "all birds fly" amounts to the fact that there exist birds that do not fly, and the falsity of the existential proposition "there are unicorns" amounts to the general fact that everything is not a unicorn.

A theory may have implicit ontological commitments by entailing existential sentences or propositions according to some entailment relation more generous than logical entailment (see §1.5 and §2).