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

1 topic

2 results

Clear filters
Project-declaredLean 4.31.0

Dist pos of Nontrivial

Code.dist_pos_of_Nontrivial

Plain-language statement

A non-trivial code (a code with at least two distinct codewords) must have a minimum distance greater than 0.

cryptographyproof systemscoding theory

Source project: ArkLib

Person-level attribution pending.

View proof record
Project-declaredLean 4.31.0

Dist From Code' eq dist From Code

Code.distFromCode'_eq_distFromCode

Project documentation

For finite nonempty codes, the computable distance equals the noncomputable distance.

cryptographyproof systemscoding theory

Source project: ArkLib

Person-level attribution pending.

View proof record