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Isabelle-HoTT
master
trying to make Isabelle/HoTT work with Isabelle 2021-1
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*
Proof of projection functions now harder. Should look up automation methods.
Josh Chen
2018-06-17
2
-9
/
+15
*
Eliminators must be completely parametrized at the meta-level.
Josh Chen
2018-06-17
1
-14
/
+5
*
Decided on a new proper scheme for type rules using the idea of implicit well...
Josh Chen
2018-06-17
3
-24
/
+45
*
projections
Josh Chen
2018-06-15
3
-40
/
+44
*
Type rules now have \"all\" premises explicitly stated, matching the formulat...
Josh Chen
2018-06-12
6
-135
/
+215
*
Reorganize code
Josh Chen
2018-06-09
6
-257
/
+303
*
Symmetry and transitivity done.
Josh Chen
2018-06-07
2
-3
/
+27
*
But also looser than Pair
Josh Chen
2018-06-07
1
-1
/
+1
*
Nondependent function arrow should bind tighter than the Pi former, but loose...
Josh Chen
2018-06-07
2
-26
/
+48
*
Code formatting
Josh Chen
2018-06-05
2
-41
/
+56
*
Proved that the inductor on Sum has the correct type.
Josh Chen
2018-06-05
2
-44
/
+81
*
Dependent sum done, I think.
Josh Chen
2018-06-05
2
-28
/
+42
*
Prod_comp should have a type constraint. This also fixes a false proof for th...
Josh Chen
2018-06-04
2
-36
/
+69
*
Should be final version of Prod. Theorems proving stuff about currying. Rules...
Josh Chen
2018-06-01
2
-41
/
+65
*
New type rules for dependent product and sum.
Josh Chen
2018-05-30
2
-21
/
+33
*
Fixed dependent product rules, hopefully final now.
Josh Chen
2018-05-30
2
-75
/
+29
*
More rigorous rules for Product type. Propositions and proofs all working, bu...
Josh Chen
2018-05-29
2
-24
/
+72
*
Dependent product rules done and proofs of typing properties so far work. Sta...
Josh Chen
2018-05-28
2
-64
/
+110
*
pre-system upgrade commit
Josh Chen
2018-05-23
3
-93
/
+108
*
Added precedences. Need to figure out how to organize metatypes.
Josh Chen
2018-05-14
2
-18
/
+33
*
Decided to go with no explicit type declarations in object-lambda expressions...
Josh Chen
2018-05-10
2
-25
/
+43
*
Init
Josh Chen
2018-05-03
3
-0
/
+135