| recursive-node-property(n, φn), H = H1, map = map1 ⊦ [copy_node#(r0; r1, map1, H1): n ] φn(r0, r1, H, H1, map, map1) |
⊦ recursive-node-property(n, φn) ↔ (∀ r0, r1, H1, map1. [H0 := H1; map0 := map1; copy_node#(r0; r1, map1, H1): n ] φn(r0, r1, H0, H1, map0, map1))
[Concretesimprules(()), Extraterms((φnn))]