Leonardo de Moura
70bd95d931
feat(library/data/list): show that (sort R l1 = sort R l2) when R is a decidable total order and l1 is a permutation of l2
2015-08-09 23:36:08 -07:00
Leonardo de Moura
2a22c75e52
feat(library/data/list/sort): prove that (sort R l) is strongly_sorted
2015-08-09 23:36:07 -07:00
Leonardo de Moura
5ca37dace0
fix(library/data/nat/order): fixes #786
2015-08-09 23:36:07 -07:00
Leonardo de Moura
f9b2b93f7a
refactor(library/algebra/complete_lattice): add alternative definitions of complete_lattice and convertions between them
2015-08-09 20:40:07 -07:00
Jeremy Avigad
d17f72eb7c
fix(library/data/set/filter): adapt to change in complete_lattice structure
2015-08-09 22:36:04 -04:00
Jeremy Avigad
b130a144c8
feat(library/data/set/filter): add filters, show they form a complete lattice
2015-08-09 22:14:25 -04:00
Jeremy Avigad
244052b413
refactor(library/data/set/*): rename setext to ext
2015-08-09 22:14:25 -04:00
Jeremy Avigad
209d7b07aa
feat(library/data/set/basic): add a few theorems
2015-08-09 22:13:18 -04:00
Leonardo de Moura
276771e6ca
feat(library/data/list/sort): add sort for lists
...
TODO: prove the result is sorted, prove that l1 ~ l2 -> sort R l1 = sort R l2
2015-08-09 14:23:09 -07:00
Leonardo de Moura
b4828283fa
feat(library/data/list/sorted): add locally_sorted, sorted and strongly_sorted predicates for lists
2015-08-09 10:28:41 -07:00
Leonardo de Moura
b2415f7b4b
feat(library/data/set/basic): add basic 'set' theorems
2015-08-08 23:18:20 -07:00
Jeremy Avigad
8f815cabc0
refactor(library/data/finset/comb,library/data/set/basic,library/*): rename 'filter' to 'sep' to free up 'set.filter'
2015-08-08 18:10:44 -04:00
Jeremy Avigad
4b39400439
feat(library/data/{int,rat,real}/bigops): add bigops for int, rat, real
...
Because migrate does not handle parameters, we have to migrate by hand.
2015-08-08 17:20:23 -04:00
Jeremy Avigad
f97298394b
feat(library/data/nat/bigops,library/data/set/card,library/*): add set versions of bigops for nat
...
This required splitting data/set/card.lean from data/set/finite.lean, to avoid dependencies
2015-08-08 17:20:23 -04:00
Jeremy Avigad
eaf886cb5a
refactor(library/algebra/group_bigops,library/*): put group_bigops in 'finset' namespace, in preparation for set versions
2015-08-08 04:23:52 -07:00
Jeremy Avigad
31eed7faea
feat(library/data/set,finset): finish porting properties of card to sets
2015-08-08 04:23:52 -07:00
Jeremy Avigad
1b0773b604
feat(library/data/set/basic,finite): add more finiteness facts
2015-08-08 04:23:52 -07:00
Leonardo de Moura
06f20694c8
fix(frontends/lean/builtin_exprs): fixes #768
2015-08-08 04:20:17 -07:00
Jeremy Avigad
7df59d8b12
feat(library/data/set/finite): add more finiteness facts
2015-08-07 13:45:16 -07:00
Jeremy Avigad
eb181485eb
feat(library/data/set/finite): start the theory of finite sets
2015-08-07 13:45:16 -07:00
Jeremy Avigad
d6bde18b46
feat,refactor(library/data/{finset,set}/*,src/emacs/lean-input.el): add powerset and notation, and some tidying
2015-08-07 13:45:15 -07:00
Jeremy Avigad
7b4ebb9866
feat,refactor(library/data/finset/*): add priorities for finset notation, add some theorems
2015-08-07 13:45:15 -07:00
Rob Lewis
11bb342819
style(library/data/real): clean up proofs in basic.lean
2015-08-07 13:30:23 -07:00
Jeremy Avigad
9ff0097223
refactor(library/algebra/{lattice,order},library/data/nat): split lattice from order, make nat an instance of discrete linear order
2015-08-03 22:41:56 -04:00
Jeremy Avigad
0def951efa
refactor(library/data/nat/sub,*): get rid of diff, tidy some max and min theorems
2015-08-03 22:41:56 -04:00
Rob Lewis
e004ed8cba
feat(library/algebra): add one directional versions of iff theorems
2015-08-03 17:16:18 -04:00
Rob Lewis
78942a0689
fix(library/data/real): fix num -> rat -> real coercion chain
2015-08-03 16:38:42 -04:00
Rob Lewis
4dd4d7b3b8
style(library/data): clean up proofs in pnat and real
2015-08-03 15:02:03 -04:00
Rob Lewis
5c2fe1c3af
refactor(real/complete): put limit sequence construction in a section
2015-08-03 11:20:26 -04:00
Rob Lewis
ba2dda08d3
feat(library/data/real): prove infimum property"
2015-08-03 11:16:56 -04:00
Leonardo de Moura
60ba3d15ff
feat(library/data/matrix): add basic matrix module
2015-08-01 19:33:31 +01:00
Jeremy Avigad
36c7aad6ee
fix(library/data/rat/basic): define pow before migrate
2015-08-01 18:23:36 +01:00
François G. Dorais
343b9e62c7
feat(library/data/fin): add foldl and foldr
2015-08-01 18:17:08 +01:00
Leonardo de Moura
1f304ad4b9
fix(frontends/lean/pp): pretty printing 'binder'
...
This commit also replaces many occurrences of 'binders' with 'binder'.
2015-07-31 11:27:38 -07:00
Leonardo de Moura
3b742c5d69
refactor(library/data/real/complete): use 'em' instead of 'decidable.em'
...
It is slightly faster since it avoids type class resolution.
It looks more readable too.
Note that em is not axiom anymore. It is a theorem based on choce.
2015-07-31 10:57:53 -07:00
Leonardo de Moura
381c3d5e35
feat(library/data/vec): transfer more theorems from list to vec
2015-07-31 09:59:58 -07:00
Leonardo de Moura
a53ac25ca8
chore(library): remove outdated comments
2015-07-31 08:37:24 -07:00
Rob Lewis
01af780b6e
feat(library/data/real): clean up proof of supremum property
2015-07-31 08:28:37 -07:00
Rob Lewis
0c65468db3
feat(library/data/real): remove remaining sorrys from proof of supremum property
2015-07-31 08:28:36 -07:00
Rob Lewis
25aa5b3939
feat(library/data/nat): define least function for nat
2015-07-31 08:28:36 -07:00
Rob Lewis
7d6b595289
feat(library/data/real): complete proof of the supremum property pending two integer theorems
2015-07-31 08:28:36 -07:00
Rob Lewis
954e30b59a
feat(library/data/real): add more theorems to reals
2015-07-31 08:28:36 -07:00
Rob Lewis
f929f82cb4
feat(library/data/real): fill in remaining sorrys in supremum property proof
2015-07-31 08:28:36 -07:00
Rob Lewis
b4b08aca32
feat(library/data/real): more progress toward supremum property
2015-07-31 08:28:26 -07:00
Rob Lewis
2fdf1e599e
feat(library/algebra/ordered_group): add missing theorems to ordered group
2015-07-31 09:10:57 -04:00
Rob Lewis
ebbad9e70d
chore(library/data/real): fill in sorrys in supremum property proof
2015-07-31 09:10:57 -04:00
Rob Lewis
7a4947cfe1
feat(library/algebra/real): significant progress toward supremum property
2015-07-31 09:10:57 -04:00
Rob Lewis
601f824baf
feat(library/data/real): compare a real and a sequence pointwise to compare two reals
2015-07-31 09:10:57 -04:00
Rob Lewis
d63010b7df
feat(library/data/real): prove more about embedding Q into R
2015-07-31 09:10:57 -04:00
Rob Lewis
a670f21e78
feat(library/data/real): begin proving supremum property
2015-07-31 09:10:57 -04:00
