fact: Definition raxiom j k ts g (r : option U) (pivot : packed_pcm g) := all (wf j) ts -> r -> sub_ctx j k /\ Some (unpack pivot) = interp k ts \+ r.
imports: Coq(ssreflect ssrbool ssrfun) mathcomp(ssrnat eqtype seq) pcm(options pred prelude) pcm(pcm)