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Author SHA1 Message Date
Danila Fedorin dd8cdcd10c Add proofs about monotonicity of foldl 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-05-08 21:48:41 -07:00
Danila Fedorin 44f04e4020 Get forward analysis working again 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-04-13 14:08:40 -07:00
Danila Fedorin f84a1c923c Prove that the 'join' transformation is monotonic 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-03-09 23:06:47 -08:00
Danila Fedorin 332b7616cf Prove that foldr is monotonic when input lists are pairwise monotonic 
This should help prove that "join" is monotonic

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-03-07 21:53:45 -08:00
Danila Fedorin fa0282ff6f Prove that the identity function is monotonic 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-03-06 00:35:06 -08:00
Danila Fedorin 164fc3636f Prove that constant functions are monotonic 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-03-03 17:23:57 -08:00
Danila Fedorin c932210d37 Re-expert monotonicity from Lattice 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-03-03 17:04:18 -08:00
Danila Fedorin a8d26b1c48 Prove that join is monotonic in both arguments 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-03-03 16:51:57 -08:00
Danila Fedorin 65d1590358 Prove monotonicity of lub in one argument 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-03-01 23:26:25 -08:00
Danila Fedorin 45f2babfa3 Fix typo in FixedHeightLattice definition 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-02-11 15:37:00 -08:00
Danila Fedorin 33b7bc37f0 Add a 'FiniteHeightLattice' bundle 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-02-11 14:19:41 -08:00
Danila Fedorin 512cd22be5 Fix definition of 'less than' to not involve a third variable. 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2024-02-07 21:04:13 -08:00
Danila Fedorin 4a90a57388 Clean up imports a bit 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-23 16:39:11 -07:00
Danila Fedorin 6cd37a212f Move the product instances into its own file 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-23 16:34:30 -07:00
Danila Fedorin 8eaec3facd Provide a 'fixed height' predicate from Lattice for convenience 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-23 16:20:58 -07:00
Danila Fedorin dce21b3696 Moved the Nat lattice instance into an actual file 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-23 15:34:59 -07:00
Danila Fedorin 5d54e62c3a Move the lattice etc. instances into Lattice.Map 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-23 15:08:04 -07:00
Danila Fedorin 845a8a2236 Move the Map into Lattice/Map 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-23 15:06:43 -07:00
Danila Fedorin e4f87175a0 Remove IsDecidable record in favor of a plain definition 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-17 19:43:24 -07:00
Danila Fedorin e3b8cc39f1 Put the fixed point algorithm code into its own file 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-16 13:39:35 -07:00
Danila Fedorin cbebe599b2 Prove that it's a least fixed point 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-16 13:07:31 -07:00
Danila Fedorin c338fa3ee5 Implement the fixed point algorithm 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-16 00:23:44 -07:00
Danila Fedorin 266c3dd81e Prove that a finite height lattice is bounded below 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-15 21:07:14 -07:00
Danila Fedorin 5cab39ca82 Prove that AxB is a finite height semilattice 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-03 23:56:39 -07:00
Danila Fedorin fb86d3f84f Generalize chains to allow equivalences 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-03 21:05:57 -07:00
Danila Fedorin 67e96b27cf Add congruence instances for < and <= on semilattices 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-03 19:33:04 -07:00
Danila Fedorin c9ec50c0ca Add a congruence requirement on Lattice. 2023-09-03 17:08:37 -07:00
Danila Fedorin 29fb828ee2 Extract the equivalence code into its own module 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-09-02 20:36:12 -07:00
Danila Fedorin b6292bf9bd Prove that a lattice of height h1+h2 exists for products 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-08-20 21:53:27 -07:00
Danila Fedorin acf4a04814 Prove the chain mapping property 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-08-20 20:49:08 -07:00
Danila Fedorin 561d0f343a Move < definition to Semilattice 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-08-20 19:57:26 -07:00
Danila Fedorin 421f187e8b Clean up the Lattice definitions a fair bit 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-08-20 19:02:47 -07:00
Danila Fedorin e62f429b86 Add instances for decidability and finite height lattices 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-08-20 18:35:57 -07:00
Danila Fedorin c848f443e0 Add a lattice instance for Map 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-08-05 18:33:49 -07:00
Danila Fedorin 990a785463 Add a witness for Map being an intersect semilattice 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-08-05 12:48:44 -07:00
Danila Fedorin 56147cfc82 Implement map intersection 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-08-03 23:46:26 -07:00
Danila Fedorin 77e2572157 Tweak the style of the Semilattice instance 2023-07-30 21:50:28 -07:00
Danila Fedorin 1b7a3f02eb Add an instance of Semilattice for Map. 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-30 20:36:19 -07:00
Danila Fedorin 850984ec15 Do away with implicit arguments in some places where they can't be inferred 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-24 23:58:14 -07:00
Danila Fedorin 4aea9a0358 Migrate Maps to including a uniqueness proof 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-24 23:55:09 -07:00
Danila Fedorin d9c18fe483 Prove that maps are functional assuming uniqueness 2023-07-23 17:50:25 -07:00
Danila Fedorin ab7ed2039a Add a generic Map module and prove its induced equivalence relation 2023-07-23 00:51:34 -07:00
Danila Fedorin 8febffc8e3 Add an equivalence constraint on lattice relations. 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-15 15:16:51 -07:00
Danila Fedorin 971d75bb2b Parameterize by equivalence type 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-15 14:40:11 -07:00
Danila Fedorin 46ff4465f2 Git rid of the bundles (for now) use IsWhatever 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-15 13:12:21 -07:00
Danila Fedorin 7b993827bf Delete the unneeded <= relation from instances 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-15 12:18:50 -07:00
Danila Fedorin cdca2528e9 Add a lattice instance for products 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-14 21:49:47 -07:00
Danila Fedorin 3b29ee0f74 Add a Semilattice isntance for Products. 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-14 21:20:16 -07:00
Danila Fedorin 1ee6682c1a Factor the Semilattice instances for Nat into their own module 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-14 19:59:07 -07:00
Danila Fedorin c9b514e9af Add a preorder instance for product 
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
 2023-07-14 19:42:29 -07:00