This is something all introductory texts seem to avoid proving, and many even avoid stating. We consider untyped $\lambda$-terms on some countably infinite alphabet. If $x$ is a v …

Hi all, I am looking to do some linguistic analysis of informal proofs. Therefore I am on a search for a collection of entry level proofs written in a clear, uninvolved style. I h …

I'm trying to help a non-mathematical friend by posting a question of his here. He studies literature and has come across a book which is written in a made-up language. The book …