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ToposInstitute / CatColab Public

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RFC-0009: Instances in DoubleTT - #1257

#1257

Open

KevinDCarlson wants to merge 63 commits into

mainToposInstitute/CatColab:mainfrom

instances_rfcToposInstitute/CatColab:instances_rfcCopy head branch name to clipboard

Conversation Commits63 (63)Checks Files changed

Open

RFC-0009: Instances in DoubleTT#1257
KevinDCarlson wants to merge 63 commits into
mainfrom
instances_rfc

Commits

Commits on Jul 29, 2026

@over types
KevinDCarlson
committed
Instance without specializations declares
KevinDCarlson
committed
Diagrams in discrete theories declaring and validating, generating DiscreteDblModelDiagrams, behaving as dopfs
KevinDCarlson
committed
Add the test files
KevinDCarlson
committed
missing commit
KevinDCarlson
committed
clippy
KevinDCarlson
committed
docs fix
KevinDCarlson
committed
change a variable
KevinDCarlson
committed
Switching specializations to equality types in diagrams
KevinDCarlson
committed
getting rid of the silly augment_with_lifts hack ahead of proper instance datatype
KevinDCarlson
committed
Generate a dbl::instance from an @Instance
KevinDCarlson
committed
Remove diagram elab pathway
KevinDCarlson
committed
should split: forgot to add DblModelInstances before; secondly, got rid of diagram keyword and started interpret instances as terms of types.
KevinDCarlson
committed
:= morphism assignment and set literals
KevinDCarlson
committed
Instance Tms, mapping syntax, improved singleton mapping syntax
KevinDCarlson
committed
clippy
KevinDCarlson
committed
cargo doc
KevinDCarlson
committed
non-recursive discrete instance terms
KevinDCarlson
committed
revert special-casing for _ ident
KevinDCarlson
committed
fix todo
KevinDCarlson
committed
clippy
KevinDCarlson
committed
delete spurious diagram toplevel
KevinDCarlson
committed
make instance body type more honest
KevinDCarlson
committed
eliminate stale mentions of @over
KevinDCarlson
committed
Get the codomains into context
KevinDCarlson
committed
documentation for instance_body_inner
KevinDCarlson
committed
introduce instance keyword to disambiguate instance terms from cons terms
KevinDCarlson
committed
cleanup
KevinDCarlson
committed
Make unit an empty record
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committed
fmt
KevinDCarlson
committed
Cleanup spurious support for morphism equations in instance declarations
KevinDCarlson
committed
FMT
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replace DefConst with Instance and keyword type with model
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tt: hold instance codomain as a real context variable, not a side channel
KevinDCarlson
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tt: rename TyS/TyV -> BaseTyS/BaseTyV
KevinDCarlson
committed
tt: represent instances as fiber types (FiberTy/FiberTm)
KevinDCarlson
committed
tt: rename TmS/TmV -> BaseTmS/BaseTmV
KevinDCarlson
committed
fix bug on importing instances of distinct codomains, introduce FiberTyS::TopVar to match with BaseTyS
KevinDCarlson
committed
elaborate instances over modal codomains (multicat, SMC)
KevinDCarlson
committed
support nested codomain-morphism paths in instances (Add.op)
KevinDCarlson
committed
DblModalModel datastructure
KevinDCarlson
committed
multicategory instances good to go
KevinDCarlson
committed
support for ob ops
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Handling HomApps
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show off some normalization
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add klausmeir examples from matteo
KevinDCarlson
committed
formatting on nb
KevinDCarlson
committed

Commits on Jul 30, 2026

document types for instances as opposed to diagrams
KevinDCarlson
committed
AI will never be able to forget to git add new files like a genuine human
KevinDCarlson
committed
notebook elaboration
KevinDCarlson
committed
add backup test for nb examples
KevinDCarlson
committed
separate out shared fiber elaboration structure
KevinDCarlson
committed
Getting utils that aren't special to tt out of tt
KevinDCarlson
committed
Add RFC
KevinDCarlson
committed
change rfc number
KevinDCarlson
committed
fix title
KevinDCarlson
committed
RFC update
KevinDCarlson
committed
clarifications
KevinDCarlson
committed
A bit about the modal case
KevinDCarlson
committed
don't track the preview script
KevinDCarlson
committed
rfc work
KevinDCarlson
committed
fmt
KevinDCarlson
committed
rewrite RFC9
KevinDCarlson
committed

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