| Goal: | |
| s : t s' : t e : false = false H : lt s' s H0 : s = s' | |
| ============================ | |
| False | |
| DEBUG:Going to execute: | |
| PTRDEBUGTACLtac.split | |
| Level 0: Backtrace: | |
| No such contradiction | |
| TcDebug (0) > NONE??? LtacNotationCall (no location),/home/mdupont/.opam/4.14.1/lib/coq/theories/ssr/ssreflect.vdone:403, ssreflect (Coq.ssr),: (no location)NONE | |