Questions tagged [jscoq]
3 questions
2
votes
1 answer
Why is my local coq no acting the same as standard coq e.g. as JsCoq?
I was going through the trivial example in this question How can I rewrite "+ 1" (plus one) to "S" (succ) in Coq? but the proof does not work in my local computer despite it working on jscoq. This is where my proof gets stuck:
Lemma s_is_plus_one:
…

Charlie Parker
- 5,884
- 57
- 198
- 323
0
votes
1 answer
How to prove Theorem euclid_gcd : forall a b z, euclid a b z -> gcd a b z. using coq?
I am trying to prove euclid_gcd Theorem but Im getting stuck at the second case of the induction. most of the time I'm getting unify errors.
I will be glad for some help please.
Require Import Arith.Arith.
Import Nat.
Inductive gcd : nat -> nat ->…

lam_gam
- 31
- 1
- 5
0
votes
1 answer
How to activate the Coq messages in vscode/vscoq like in the CoqIde/jscoq?
I am expecting something in my messages bar but I don't see it
Example script:
Fixpoint add_left (n m : nat) : nat :=
match n with
| O => m
| S p => S (add_left p m)
end.
Lemma demo_1 :
forall (n : nat),
add_left n O = n.
Proof.
…

Charlie Parker
- 5,884
- 57
- 198
- 323