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Webster 1913 Edition
Presupposition
Pre-supˊpo-si′tion
,Noun.
[Pref.
pre-
+ supposition
: cf. F. présupposition
.] 1.
The act of presupposing; an antecedent implication; presumption.
2.
That which is presupposed; a previous supposition or surmise.
Webster 1828 Edition
Presupposition
PRESUPPOSI'TION
,Noun.
1.
Supposition of something antecedent.