preimagen.
/priːˈɪmɪdʒ/, U.S. /priˈɪmɪdʒ/ Mathematics.
= inverse image n. at inverse adj. 3f.
ΘΚΠ
the world > relative properties > number > arithmetic or algebraic operations > transformation > [noun] > set or values in
image1888
inverse image1932
preimage1942
spectrum1948
1942 Trans. Amer. Math. Soc. 51 103 The pre-image of a normal ideal is normal if a is normal.
1975 N. Chomsky Logical Struct. Ling. Theory ix. 317 T carries the elements of its domain into strings of p which differ from one another and from their preimages in the sense of condition C6.
1990 Proc. London Math. Soc. 60 184 The preimage of the 15-space is the required abelian group.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1942