invertend

\\|in(ˌ)vər|tend\ noun (-s)

Etymology: Latin invertendus, gerundive of invertere to invert — more at invert

: a proposition upon which the operation of inversion is performed

* * *

invertend Logic.

(ˈɪnvətɛnd)

[ad. L. invertend-us, gerundive of invertĕre to invert.]

The proposition from which another proposition (the inverse) is obtained by inversion.

[see inversion 2 e].