⊦ R[rs, f, g] ↔ R(mk(rs, f, g))
⊦ ((a[⌜bv⌝ ] ∧ emp))(mk(rs, f, g)) ↔ (⌜bv⌝ ∧ emp)[rs, f, g]
Used terms: g, f, rs, a[⌜bv⌝ ] ∧ emp