Hello,for me this theorem goes through (with OBVIOUS), using the current distribution:tlapm --version1.4.5 (build 33809)I'm afraid there must be a problem with your installation.StephanOn 27 Apr 2020, at 14:56, Alex Tim wrote:HelloI'm reading simple examples on tlapshttps://sriramsami.com/tlaps/the author saidthat the theoremTHEOREM Transitive == ASSUME NEW X \in Nat, NEW Y \in Nat, NEW Z \in Nat, X > Y, Y > Z PROVE X > Z + 1can be proved automatically with PROOF OBVIOUSbut it fails for me. Should i explicitly use a nonstandard solver i.e. CVC4? -- You received this message because you are subscribed to the Google Groups "tlaplus" group. To unsubscribe from this group and stop receiving emails from it, send an email to tlaplus+unsubscribe@xxxxxxxxxxxxxxxx. To view this discussion on the web visit https://groups.google.com/d/msgid/tlaplus/080a4910-f1f0-42b7-aad5-5b5cb5b10d36%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "tlaplus" group. To unsubscribe from this group and stop receiving emails from it, send an email to tlaplus+unsubscribe@xxxxxxxxxxxxxxxx. To view this discussion on the web visit https://groups.google.com/d/msgid/tlaplus/BD49777B-BEDF-4B8A-8C88-408D06F99128%40gmail.com.