Derive JMeq_eq from eq_rect_eq
Derive JMeq_eq from eq_rect_eq

ejgallego/coq,SkySkimmer/coq,coq/coq,ejgallego/coq,SkySkimmer/coq,coq/coq,Zimmi48/coq,Zimmi48/coq,SkySkimmer/coq,Zimmi48/coq,ejgallego/coq,SkySkimmer/coq,coq/coq,coq/coq,ejgallego/coq,Zimmi48/coq