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haschu/nominal-lean.git
graded-algebra
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name-restriction-model
Formalization of nominal sets in Lean 4.
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Nominal
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2025-10-23
add equivariant instances
Hannes Schulze
2025-10-23
define equivariance
Hannes Schulze
2025-10-23
add freshness
Hannes Schulze
2025-10-22
always require infinite, countable, equality-decidable atoms
Hannes Schulze
2025-10-22
update imports
Hannes Schulze
2025-10-22
add product and coproduct instances
Hannes Schulze
2025-10-22
some helper lemmas for fix
Hannes Schulze
2025-10-22
further simplifications
Hannes Schulze
2025-10-21
Restructure support_inter proof
Hannes Schulze
2025-10-21
restructure
Hannes Schulze
2025-10-21
very rough draft for support_inter
Hannes Schulze
2025-10-21
simplify some more
Hannes Schulze
2025-10-21
add some proofs about specific least supports
Hannes Schulze
2025-10-20
some simplifications
Hannes Schulze
2025-10-20
prove things about intersections and supports
Hannes Schulze
2025-10-20
Prove nonempty induction on finsets
Hannes Schulze
2025-10-20
further work
Hannes Schulze
2025-10-20
further work on nominal set definition
Hannes Schulze
2025-09-25
implement group of finitely supported permutations
Hannes Schulze
2025-09-19
initial commit
Hannes Schulze