feat(ring_theory/finiteness): add transitivity of finite presentation (#6640)
feat(ring_theory/finiteness): add transitivity of finite presentation (#6640)

This adds transitivity of finite presentation (for rings). I think we now have a basic API for finitely presented algebras.



Co-authored-by: Eric Wieser <da64e90baec5d084ce3d8e05f3b022ae6d118ff5@gmail.com>

leanprover-community/mathlib,leanprover-community/mathlib