Source-pinned research
Search theorem names, mathematical ideas, modules, topics, projects, and role-labelled researchers. Open a result for its complete indexed Lean declaration and source record.
This index contains 199 research declarations. Search 10,000 more complete Mathlib declarations.
199 results
Clear filtersCslib.LambdaCalculus.LocallyNameless.Fsub.Typing.narrow
Plain-language statement
Narrowing of typings.
Source project: Lean Computer Science Library
Person-level attribution pending.
Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.preservation
Plain-language statement
Any reduction step preserves typing.
Source project: Lean Computer Science Library
Person-level attribution pending.
Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.progress
Plain-language statement
Any typable term either has a reduction step or is a value.
Source project: Lean Computer Science Library
Person-level attribution pending.
Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.subst_tm
Plain-language statement
Term substitution within a typing.
Source project: Lean Computer Science Library
Person-level attribution pending.
Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.subst_ty
Plain-language statement
Type substitution within a typing.
Source project: Lean Computer Science Library
Person-level attribution pending.
Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.tabs_inv
Plain-language statement
Invert the typing of a type abstraction.
Source project: Lean Computer Science Library
Person-level attribution pending.