fact: Definition terms_of_oclause (oc : oclause R) := let: Oclause eq_l neq_l lt_l le_l := oc in eq_l ++ neq_l ++ lt_l ++ le_l.
imports: HB(structures) mathcomp.ssreflect.ssreflect mathcomp(ssrfun ssrbool eqtype ssrnat seq div choice fintype) mathcomp(bigop order ssralg finset fingroup zmodp) mathcomp(poly ssrnum)