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

1 topic
Project-declaredLean 4.31.0

Card pick subset

Finset.card_pick_subset

Plain-language statement

The cardinality of picked subset is min s.card n.

cryptographyproof systemscoding theory

Source project: ArkLib

Person-level attribution pending.

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