Theorem and Proof Environment in Beamer...

How to instruct `auto` to simplify the goal during proof search?...

Is is possible to rename a coq term?...

How to extract a variable from an exist clause...

Proof by reductio ad absurdum in Isabelle...

Does sequencing an infinite list of IO actions by definition result in a never-ending action? Or is ...

Proof that the halting problem is NP-hard?...

How would I prove that b = c if (andb b c = orb b c) in coq?...

Sledgehammer output with vampire...

Agda Recursion on Proof...

Agda Unresolved Metas...

Proof of dynamic programming solution for Leetcode 818: Racecar...

What is the proof of of (N–1) + (N–2) + (N–3) + ... + 1= N*(N–1)/2...

Coq simpl / unfold only once. (Replace part of goal with the result of one iteration of a function.)...

Counterexample for first-order logic assertion...

How can we prove by induction that binary search is correct?...

Is there a way for Coq to recall it already proved a property for the same element in the same proof...

How would you write ∀ y ∈ R+, ∃ z ∈ R, e^z = y in pseudocode?...

Proving n + S n = S (n + n) without n + S m = S (n + m)...

Why can't all existential binders be replaced by unique constants during skolemization?...

Is there a proof that runST is indeed pure?...

Is it possible to disambiguate instances with an intermediate step?...

Prove (p → ¬ q) → ¬ (p ∧ q) in Lean4...

Lean4: Proving that `(xs = ys) = (reverse xs = reverse ys)`...

Dafny existence statement cause slowness?...

How to understand the time complexity of Kademlia node operation...

How to proceed in Isabelle when the goal has implications and existentials?...

Finding 0 - (Python Testing) random.uniform(0,1) Double Precision Floating Point...

Not able to make a simple proof in Dafny: if `0<=a<=1 & 0<=b<=1 & -1<=c<=1...

Cannot prove in Dafny that variance(x)>=0...