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epfl-lara / lisa

Proof assistant based on first-order logic and set theory
Apache License 2.0
33 stars 18 forks source link

Extract definitions/theorems of functions, add Sigma and Pi #222

Closed shilangyu closed 4 days ago

shilangyu commented 5 months ago

Slimmed down SetTheory a bit, should make it easier to find theorems.

For reviewing: The first commit is moving existing things to the new package, the following commits are newly added things.