| r -- sk ∈ st, r ∈ st, ∀ rk. rk ∈ st ↔ rk ∈ st0, ∀ r0, sk. r0 ≠ r → st[r0 -- sk] = st0[r0 -- sk], r -- _type ∈ st → st[r -- _type] = st0[r -- _type], r -- _length ∈ st → st[r -- _length] = st0[r -- _length] ⊦ sk = _length, sk = _type, (rk ∈ st → rk = r -- sk ∨ rk ∈ st0) ∧ (r0 ≠ r → st[r0 -- sk0] = st0[r0 -- sk0]) |
r -- sk ∈ st, r ∈ st, rk ∈ st ↔ rk ∈ st0, ∀ rk. rk ∈ st ↔ rk ∈ st0, ∀ r0, sk. r0 ≠ r → st[r0 -- sk] = st0[r0 -- sk], r -- _type ∈ st → st[r -- _type] = st0[r -- _type], r -- _length ∈ st → st[r -- _length] = st0[r -- _length] ⊦ sk = _length, sk = _type, (rk ∈ st → rk = r -- sk ∨ rk ∈ st0) ∧ (r0 ≠ r → st[r0 -- sk0] = st0[r0 -- sk0])
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (rk)]]