As adjectives the difference between introductory and proemial
is that introductory is introducing; giving a preview or idea of while proemial is of or pertaining to a proem or proemium.
introductory
English
Adjective
(-)
introducing; giving a preview or idea of
Synonyms
* prefatory
proemial
English
Adjective
(-)
Of or pertaining to a proem or proemium.