| refs1 .last = refs0 .last, refs1 .first ∈ refs, refs0 .first ∈ refs, validrefs(str, refs1, st[refs1 .first -- _type] .type, st), validrefs(str, refs0, st[refs0 .first -- _type] .type, st), validreflist(str, mkjavavalues(refs), mkclasstype(`java.lang.Object' .class), st), ∀ r, sks, r0, sks0. ¬ r ∈ refs ∨ ¬ r0 ∈ refs ∨ r = r0 ∨ ¬ fits(r, sks, st) ∨ ¬ fits(r0, sks0, st) ∨ st[r -- sks] ≠ st[r0 -- sks0] ∨ st[r -- sks] .refval = jvmref ⊦ refs1 = [], refs0 = [], refs1 .first = refs0 .first, refs0 .last = jvmref |
refs1 = r1 + refs2, refs1 .last = refs0 .last, r1 ∈ refs, refs0 .first ∈ refs, validrefs(str, refs1, st[r1 -- _type] .type, st), validrefs(str, refs0, st[refs0 .first -- _type] .type, st), validreflist(str, mkjavavalues(refs), mkclasstype(`java.lang.Object' .class), st), ∀ r, sks, r0, sks0. ¬ r ∈ refs ∨ ¬ r0 ∈ refs ∨ r = r0 ∨ ¬ fits(r, sks, st) ∨ ¬ fits(r0, sks0, st) ∨ st[r -- sks] ≠ st[r0 -- sks0] ∨ st[r -- sks] .refval = jvmref ⊦ refs1 = [], refs0 = [], r1 = refs0 .first, refs0 .last = jvmref
[[CONCRETESIMPRULES : ([CSIMPELIM : refs ≠ [] ⊦ r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0])], [EXTRATERMS : (refs1, r1, refs2)]]