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2020-07-31(REF) Tweak attribute names in preparation for new logical introduction rule ↵Josh Chen1-16/+16
behavior
2020-07-31(FEAT) Term elaboration of assumption and goal statements.Josh Chen1-207/+249
. spartan/core/goals.ML . spartan/core/elaboration.ML . spartan/core/elaborated_statement.ML (FEAT) More context tacticals and search tacticals. . spartan/core/context_tactical.ML (FEAT) Improved subgoal focus. Moves fully elaborated assumptions into the context (MINOR INCOMPATIBILITY). . spartan/core/focus.ML (FIX) Normalize facts in order to be able to resolve properly. . spartan/core/typechecking.ML (MAIN) New definitions. (MAIN) Renamed theories and theorems. (MAIN) Refactor theories to fit new features.
2020-07-27Hook elaboration into assumptions mechanismJosh Chen1-10/+13
2020-07-211. Bugfix: implicits now properly name schematic variables. Fixes problems ↵Josh Chen1-12/+12
caused by variable name clashes. 2. reduce method now more principled: restricts to repeating on first subgoal. 3. An example declarative proof in Equivalence.thy.
2020-07-211. Type-checking/inference now more principled, and the implementation is ↵Josh Chen1-26/+26
better. 2. Changed most tactics to context tactics.
2020-07-09Non-annotated object lambdaJosh Chen1-6/+6
2020-06-03rule nameJosh Chen1-1/+1
2020-05-29proved a few oopses + minor tweaksJosh Chen1-19/+22
2020-05-29clean up Eckmann-Hilton and move to IdentityJosh Chen1-21/+25
2020-05-26new materialJosh Chen1-7/+8
2020-05-25Reorganize theory structure. In particular, the identity type moves out from ↵Josh Chen1-0/+0
under Spartan to HoTT. Spartan now only has Pi and Sigma.
2020-05-25slightly nicer homotopy proofs with calculationsJosh Chen1-29/+14
2020-05-251. equality method now uses general elimination tactic. 2. New constant `` ↵Josh Chen1-3/+3
refers to rhs of equalities.
2020-05-24new work on elimination tacticJosh Chen1-1/+1
2020-05-22some tweaks and comments, in preparation for general inductive type eliminationJosh Chen1-4/+4
2020-04-02Brand-spanking new version using Spartan infrastructureJosh Chen1-0/+431