Source-pinned research

Research proof index

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 7 research declarations. Search 10,000 more complete Mathlib declarations.

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Project-declaredLean 4.33.0-rc1

Abs inv

Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.abs_inv

Plain-language statement

Invert the typing of an abstraction.

computer sciencecomputabilityprogram semantics

Source project: Lean Computer Science Library

Person-level attribution pending.

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Project-declaredLean 4.33.0-rc1

Narrow

Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.narrow

Plain-language statement

Narrowing of typings.

computer sciencecomputabilityprogram semantics

Source project: Lean Computer Science Library

Person-level attribution pending.

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Project-declaredLean 4.33.0-rc1

Subst tm

Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.subst_tm

Plain-language statement

Term substitution within a typing.

computer sciencecomputabilityprogram semantics

Source project: Lean Computer Science Library

Person-level attribution pending.

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Project-declaredLean 4.33.0-rc1

Subst ty

Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.subst_ty

Plain-language statement

Type substitution within a typing.

computer sciencecomputabilityprogram semantics

Source project: Lean Computer Science Library

Person-level attribution pending.

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Project-declaredLean 4.33.0-rc1

Tabs inv

Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.tabs_inv

Plain-language statement

Invert the typing of a type abstraction.

computer sciencecomputabilityprogram semantics

Source project: Lean Computer Science Library

Person-level attribution pending.

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Project-declaredLean 4.33.0-rc1

Weaken

Cslib.LambdaCalculus.LocallyNameless.Fsub.Typing.weaken

Plain-language statement

Weakening of typings.

computer sciencecomputabilityprogram semantics

Source project: Lean Computer Science Library

Person-level attribution pending.

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