| is-encoded-nonempty(vhdr, emptypage) ↔ is-encoded-empty(vhdr, emptypage) ∧ ¬ isempty(emptypage), is-encoded(vhdr, emptypage) ⊦ |
is-encoded(vhdr, emptypage) ⊦ is-encoded-nonempty(vhdr, emptypage)
Used simplifier rules: ⊦ mkempbuf(EB_PAGE_SIZE) = emptypage; (s)% ⊦ # emptypage = EB_PAGE_SIZE; (s)% ⊦ isempty(buf) ↔ buf = mkempbuf(# buf); (s)