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4 votes
1 answer
252 views

How can you represent a dependent type visually?

So, obviously for a term $t$ of type $T$, I would represent it as: T +-----------+ | | | t | | | +-----------+ That is a node ...
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1 vote
1 answer
561 views

How does Lean4 (or a typical PA) represent lambda functions or in other words arbitrary expressions?

Question: Say I wanted my language to support various operator symbols, the semantics of which are defined by the user or by axioms. I'm wondering whether Lean4 (or a typical well-known PA) just ...
SeekingAMathGeekGirlfriend's user avatar