| statfields(class) = sk + sks, validstatfield(str, sk, st) ⊦ statfields(class) = [], initdone(class, st), tdname∃(str, class) |
statfields(class) = sk ' + sks, validstatfield(str, sk, st), sk ∈ statfields(class) ⊦ statfields(class) = [], initdone(class, st), tdname∃(str, class)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (sks + sks0) + sks1 = sks + sks0 + sks1], [CSIMPFORWARD : ⊦ sk ' + sks = sks0 → sk ∈ sks0], [CSIMPSEQ : ⊦ sk + sks = sk ' + sks])]]