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5 votes
2 answers
233 views

Algorithm for the locally nameless representation used by Lean

I have heard that Lean uses the locally nameless representation for handling binders, yet if I input an expression that has a bound variable in it, the bound variable is not displayed using its de ...
user695931's user avatar
3 votes
0 answers
69 views

Variable binding techniques used in proof assistants? [duplicate]

There are many resources (1, 2, 3, 4) to learn about various techniques for manipulating syntax with variable binding, however, I haven't seen many descriptions of which specific techniques are ...
Alexander Gryzlov's user avatar