Joshua Potter
f40e1fddaa
Enderton. Corollary 4P.
2023-08-08 08:56:13 -06:00
Joshua Potter
c3b579aed1
Drop placeholders prior to Mathlib4 port.
2023-07-26 13:41:55 -06:00
Joshua Potter
7fe780e72f
Drop `Common.Set.Interval` and `Common.Set.Partition`.
2023-07-25 07:28:20 -06:00
Joshua Potter
db6074f1a1
Enderton. Peano postulate theorem/exercise drafts.
2023-07-23 12:13:24 -06:00
Joshua Potter
f328440797
Enderton. Peano systems.
2023-07-21 14:25:36 -06:00
Joshua Potter
e6a9504a8f
Remove `IsConnected` class.
2023-07-15 15:05:45 -06:00
Joshua Potter
dd430d8379
Enderton. Draft up ordering relation section.
2023-07-13 13:56:01 -06:00
Joshua Potter
e3205a1e5d
Add hyperref linking and fix other refs.
2023-07-12 10:54:35 -06:00
Joshua Potter
98ecc12995
Enderton. Additional equivalence relation exercises.
2023-07-10 14:47:27 -06:00
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
Joshua Potter