| ∀ t. context(C0) ∧ value(C0[t]) → value(t), context(C0 _ t0), value((C0 _ t0)[t]) ⊦ value(t) |
⊦ (C _ t1)[t] = C[t] _ t1
context(C0), value(C0[t] _ t0), ∀ t1. value(C0[t1]) → value(t1) ⊦ value(t)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ context(C _ t) ↔ context(C)])]]