Presupposition vs. Supposition — What's the Difference?

In the branch of linguistics known as pragmatics, a presupposition (or PSP) is an implicit assumption about the world or background belief relating to an utterance whose truth is taken for granted in discourse. Examples of presuppositions include: Jane no longer writes fiction.

The act of supposing.

To believe or suppose in advance

Something supposed; an assumption.

To require or involve necessarily as an antecedent condition

Something that is supposed; an assumption made to account for known facts, conjecture.

An assumption made beforehand; a preliminary conjecture or speculation.

The act or an instance of supposing.

The act of presupposing.

The act of supposing, laying down, imagining, or considering as true or existing, what is known not to be true, or what is not proved.

(linguistics) An assumption or belief implicit in an utterance or other use of language.

That which is supposed; hypothesis; conjecture; surmise; opinion or belief without sufficient evidence.

The act of presupposing; an antecedent implication; presumption.

A message expressing an opinion based on incomplete evidence

That which is presupposed; a previous supposition or surmise.

A hypothesis that is taken for granted;

The act of presupposing; a supposition made prior to having knowledge (as for the purpose of argument)

The cognitive process of supposing