| validFields(r, fis, st -- rk) ⊦ validFields(r, fis, st) |
⊦ validFields(r, [], st)
∀ r, st, rk. validFields(r, fis0, st -- rk) → validFields(r, fis0, st), validFields(r, fv + fis0, st -- rk) ⊦ validFields(r, fv + fis0, st)
[[CONCRETESIMPRULES : ([CSIMPGEN : fieldinits generated by [], +;])]]