Non-trivial Fixpoint on nested recursive types...

What is the difference between Lemma and Theorem in Coq...

Failed to solve constraints: (k ≤ 5) x (k * 2 ≡ 5). How could I make this work?...

How can I prove dependent function types equal in Agda?...

Installing Z3 binding with haskell on mac...

Programming in the Calculus of Inductive Constructions with Coq...

What's the role of unification in Coq's core type system?...

(Z3Py) Using all_smt to generate all solutions of a model...

Proving Transitivity of Pointwise Relations on Lists in Coq...

Proving extensional equality of two functions...

Instantiate typeclass over type_synonym...

Recursive function leads to simplifier loop in Isabelle...

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?...

Trace tauto, finish...

Implementation for decision procedure for the theory of the reals...

definitions with fin types (lean)...

How to prove A \/ False -> A in Coq?...

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

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

Proving a Type is Uninhabited in Agda...

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

An unexpected 'possible division by zero' when values are known to be positive...

Agda: Can't find std-lib when installing with Stack...

Proving a covariance inequality in Dafny, use contradiction?...

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

Cannot prove in Dafny that f(a,b)=f(b,a)...

Dafny cannot prove that 'a^2<=b^2*c^2' implies 'a<=b*c' for reals greater than...

Modular arithmetic proofs in agda...

Does Z3 (and other solvers) always use terminating decision procedures when possible?...