Commit Graph

38 Commits (874bbe203c9bd2d8cfa3ae2a8939d3d9728ab31c)

Author SHA1 Message Date
Joshua Potter e869d6f2d3 Move aviary into Smullyan directory. 2023-06-29 15:30:48 -06:00
Joshua Potter dd4340c4bd Move `OrderedPair` and `Relation` to Enderton.
These modules probably won't be very useful in general; there exist
better representations in Lean when dealing with ordered pairs or
relations already.
2023-06-29 15:25:59 -06:00
Joshua Potter 644660d197 Enderton. Verify theorem 3I. 2023-06-26 15:11:19 -06:00
Joshua Potter 9b6af648f2 Enderton. Theorem 3H and helper theorems. 2023-06-26 13:11:55 -06:00
Joshua Potter 931e617161 Enderton. Formally verify theorem 3G. 2023-06-26 07:08:25 -06:00
Joshua Potter a6e6251627 Enderton. Continue through theorem 3 set. 2023-06-25 07:27:35 -06:00
Joshua Potter 27372eb160 Enderton. Add additional definitions and prove Theorem 3E. 2023-06-23 15:47:55 -06:00
Joshua Potter 8b5736397c Enderton. Break out relations/ordered pairs. Exercise 6.7. 2023-06-20 15:02:09 -06:00
Joshua Potter f5d1fc546a Enderton. Move Kuratowski's definition of an ordered pair into chapter; not
likely to be used outside this book.
2023-06-10 16:02:22 -06:00
Joshua Potter 6d3a2d8ad0 Fix build errors in `Chapter_2.lean`. 2023-06-10 12:09:24 -06:00
Joshua Potter 64d8324657 Enderton. Finish exercises 5 in LaTeX. 2023-06-10 05:51:42 -06:00
Joshua Potter ad3e31764b Enderton. Exercise 5.(1|2a|2b). 2023-06-09 21:03:06 -06:00
Joshua Potter 49bd4871fe Enderton. Theorem 3A. 2023-06-06 20:16:06 -06:00
Joshua Potter 2dff3f5794 Enderton. Chapter 2 exercises, 11-25. 2023-06-04 17:34:42 -06:00
Joshua Potter 4624d58924 Enderton. Continue proofs/exercises of "Axioms and Operations." 2023-05-23 15:38:33 -06:00
Joshua Potter 8279131d74 Enderton, basic axioms/unions exercises. 2023-05-21 18:32:59 -06:00
Joshua Potter 66df65c14b Update toolchain and deps. 2023-05-20 11:11:27 -06:00
Joshua Potter 9ac70c15c9 Normalize formatting further, macros for lean commands. 2023-05-17 12:28:02 -06:00
Joshua Potter 68d46e1a7d Redefine an `Orthogonal` rectangle as a subtype of a `Skew` one. 2023-05-15 14:07:42 -06:00
Joshua Potter c0f8895686 Derive a more constructive `StepFunction` definition. 2023-05-15 13:37:01 -06:00
Joshua Potter 96dd9b5669 Revise geometry with different types of rectangles and lines. 2023-05-15 06:40:35 -06:00
Joshua Potter 1cff1c63c4 Update simple sequence summation proofs as verified. 2023-05-13 10:11:23 -06:00
Joshua Potter 708295f53f Remove the concept of an `LTuple`. 2023-05-13 09:23:44 -06:00
Joshua Potter ddcb0f9717 Perform same aggregation on Enderton and Sequence tex files. 2023-05-13 06:59:28 -06:00
Joshua Potter e7e657950b Aggregate Apostol LaTeX into single file. 2023-05-13 06:38:55 -06:00
Joshua Potter 3fc293579d Add concept of glossary. 2023-05-12 19:31:44 -06:00
Joshua Potter da7f00753b Common coloring across definitions/axioms/statements. 2023-05-12 18:29:02 -06:00
Joshua Potter f5dfb9ff6b Generalize concept of partitions and step functions. 2023-05-12 13:17:34 -06:00
Joshua Potter 56751a6f3b Use a consistent naming convention. 2023-05-12 11:08:52 -06:00
Joshua Potter 60724c0b52 Generalize set functions and move partitions in anticipation
of Apostol 1.11 exercise 8.
2023-05-12 07:05:31 -06:00
Joshua Potter 3d0dc2b926 Continuing working on Apostol 1.11 exercises. 2023-05-11 13:35:05 -06:00
Joshua Potter 50d6b13574 Remove no longer needed `hyperlabel` command. 2023-05-10 20:27:46 -06:00
Joshua Potter 53a0bd1ebc Add "defined" status and distinguish Lean links. 2023-05-10 20:19:18 -06:00
Joshua Potter cadb07018a Add support for cross-referencing PDFs. 2023-05-10 18:27:55 -06:00
Joshua Potter 8c5029f8ec Add TeX for axiomatic area definition. 2023-05-10 17:45:55 -06:00
Joshua Potter 5256c4e81a Add concept of "verified" to statements/theorems. 2023-05-10 10:45:42 -06:00
Joshua Potter ed89078e76 Apostol. Begin working through floor/ceiling exercises.
Also discovered the basic interval module so replaced custom
interval syntax with it.
2023-05-08 16:44:52 -06:00
Joshua Potter b0a30ed4b4 Rename `Bookshelf` to `Common`. 2023-05-08 14:08:48 -06:00