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14
15 include "ground/relocation/pr_sle.ma".
16 include "ground/relocation/pr_sor.ma".
17
18 (* RELATIONAL UNION FOR PARTIAL RELOCATION MAPS *****************************)
19
20 (* Main inversions with pr_sle **********************************************)
21
22 (*** monotonic_sle_sor *)
23 axiom pr_sor_monotonic_sle:
24       ∀f1,g1. f1 ⊆ g1 → ∀f2,g2. f2 ⊆ g2 →
25       ∀f. f1 ⋓ f2 ≘ f → ∀g. g1 ⋓ g2 ≘ g → f ⊆ g.