yellowsquid/helium.git, branch master [no description] http://git.yellowsquid.uk/yellowsquid/helium.git/atom?h=master 2022-04-18T14:30:57Z Fix build script. 2022-04-18T14:30:57Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-18T14:30:57Z urn:sha1:85cf0c06af421e5fdfa6d22535b0d7b34547a879 Do a big refactor. 2022-04-18T14:21:38Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-18T14:05:24Z urn:sha1:00a0ce9082b4cc1389815defcc806efd4a9b80f4 - Replace the decidable predicates on expressions and statements with separate data types. - Reorganise the Hoare logic semantics to remove unnecessary definitions. - Make liberal use of modules to group related definitions together. - Unify the types for denotational and Hoare logic semantics. - Make bits an abstraction of array types. A proof of the simplest form of Barrett reduction. 2022-04-09T15:49:49Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-09T15:49:49Z urn:sha1:24845ef25e12864711552ebc75a1f54903bee50c Add some more algebraic properties. 2022-04-09T15:24:18Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-09T15:24:18Z urn:sha1:c6aee22d68aa614619cecc08a15332294a9de0de Add a new ring solver tactic. 2022-04-07T16:58:39Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-07T16:58:39Z urn:sha1:662ca19ed7dabecdf17cdd555132f106bb768e58 Add another tiny proof. 2022-04-05T12:16:57Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-05T12:16:57Z urn:sha1:e2b91853b58c57b8ad616e728bc55e3570490343 Add a useful transport proof. 2022-04-05T11:43:53Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-05T11:43:53Z urn:sha1:7de7db24ba5bb2cfe9fae6f070e60db3510fcc69 Add commutativity of reciprocal and power. 2022-04-05T11:11:41Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-05T11:11:41Z urn:sha1:2f4a5a56437837cc90c9043131764513472347df Add properties of multiplying to 0. 2022-04-05T11:10:47Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-05T11:10:47Z urn:sha1:b75264cfcc2e2b9a999205acda93353ded1b9cfe Generalise 0 comparison to ≤. 2022-04-05T11:08:00Z Greg Brown greg.brown@cl.cam.ac.uk 2022-04-05T11:08:00Z urn:sha1:038d2109e78d9c688acfc3338140cc908151db76