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New posts in equality

How or is that possible to prove or falsify `forall (P Q : Prop), (P -> Q) -> (Q -> P) -> P = Q.` in Coq?

Does it make sense to check for identity in __eq__?

python equality

Implement C# equality operator from F#

Result of calling IEquatable<T>.Equals(T obj) when this == null and obj == null?

c# .net f# equals equality

Checking For Equal Instances of 2 Different (Included Example)

Will the var members in case class affect case class's equality?

LINQ: Use .Except() on collections of different types by making them convertible/comparable?

Usage of the "==" operator for three objects

python operators equality

Is the == operator transitive in PHP?

php equality

Python 2: different meaning of the 'in' keyword for sets and lists

python list set equality

Why or how does this prove JavaScript array equality?

javascript arrays equality

Actionscript Date Comparison

Equal Objects not being filtered by Stream.distinct()

java java-stream equality

Difference between == and = in Haskell

Why is "1.0 == 1.0" false in Ocaml?

ocaml equality

Why does (= (vector nil) (vec nil)) return false?

vector clojure equality

Is x==x ever False in Python?

Is testing generic collections for referential equality in C# a silly idea?

Why aren't bound instance methods in python reference equal?

python equality sentinel