You can do MM>show trace_back xxx /axioms or MM>show trace_back xxx /match ax-* for details, see MM>help show trace_back
Indeed, there is a balance between axiom dependencies and proof length, but it seems to happen not so often. Typically, in those cases, one keeps both proof with the label "xxxALT" for the shorter proof using more axioms. Benoît -- You received this message because you are subscribed to the Google Groups "Metamath" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/metamath/9868095b-0293-4620-9739-d46152b48018%40googlegroups.com.
