extensionally en · ADV
Etymology
Etymology tree English extensional Middle English -ly English -ly English extensionally From extensional + -ly.
Meanings
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(not-comparable) In terms or by means of extension.
As a consequence of these two points, the burden would seem to be on the proponent of (MM) to defend the position that the two modalities are in fact extensionally equivalent, and only notionally distinct.
2008 January 3, Anand Vaidya, “Modal Rationalism and Modal Monism”, in Erkenntnis, volume 68, number 2, →DOI: