Jakob von Raumer
df4a8db23d
feat(library/hott) add to trunc.lean: contractible types are equivalent to unit
2014-11-13 20:43:46 -08:00
Floris van Doorn
107a9cf8e4
feat(library): port more of truncation library from Coq HoTT
...
Everything directly about truncations in the basic truncation library is ported.
Some theorems about other structures still need to be ported.
Also made some minor changes in hott.equiv
2014-11-08 19:12:54 -08:00
Floris van Doorn
cd33d2e96d
refactor(typeof): move typeof to general_notation
2014-11-08 19:12:54 -08:00
Floris van Doorn
74779dd855
feat(hott/trunc): clean up some theorems, prove some basic theorems
2014-11-08 19:12:54 -08:00
Floris van Doorn
08c56188b6
feat(library/hott/trunc): prove that n-types are (n+1)-types.
2014-11-08 19:12:54 -08:00
Leonardo de Moura
6b89080b1a
feat(frontends/lean): do not allow user to define notation using tokens ! and @, closes #248
2014-10-21 16:28:36 -07:00
Leonardo de Moura
98e66586e9
feat(frontends/lean/elaborator): elaborator rejects 'Type' if the universe is explicit
2014-10-02 14:29:51 -07:00
Leonardo de Moura
baf4c01de8
feat(frontends/lean): definitions are opaque by default
2014-09-19 15:54:32 -07:00
Leonardo de Moura
38a4852e7d
feat(library/hott): add 'path' namespace
2014-09-09 14:03:45 -07:00
Leonardo de Moura
364bba2129
feat(frontends/lean/inductive_cmd): prefix introduction rules with the name of the inductive datatype
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-09-04 17:26:36 -07:00
Leonardo de Moura
8743394627
refactor(kernel/inductive): replace recursor name, use '.rec' instead of '_rec'
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-09-04 15:04:57 -07:00
Leonardo de Moura
dbaf81e16d
refactor(library): remove unnecessary 'standard' subdirectory
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-08-23 18:08:09 -07:00
