Lax Lean Archive

While this submission is a draft, it cannot be used by other submissions.

End of an open chain

Lax771644.OpenLeaf · concepts/Lax771644/OpenLeaf.lean · lax-771644

open

Loading review…

Community review

Flags

Each flag is tied to a public ORCID identity and explains why this concept may be incorrect.

No flags have been submitted.

    Community review

    Flag this concept

    State precisely what appears incorrect. This explanation will be public under your ORCID name.

    No source line selected.

    Natural Language Statement

    Theorem

    Proved from OpenMiddleOpenMiddle, and therefore unproven at two removes from the open root.

    Concept map
    2 concepts
    100%
    Open claimDefinitionThis conceptRelated conceptA → B: B builds on A
    Evidence

    Each proof establishes this claim relative to its assumptions.

    Lean source view on GitHub

    1import Mathlib.Data.Nat.Notation
    2import Lax771644.Foundations
    3
    4/-!
    5---
    6title: End of an open chain
    7type: theorem
    8---
    9Proved from `OpenMiddle`, and therefore unproven at two removes from the open
    10root.
    11
    12# Formalization notes
    13
    14Same as `OpenMiddle`, one link further down.
    15-/
    16
    17namespace Lax771644.OpenLeaf
    18
    19/-- Descent from stage 400 to stage 370. -/
    20axiom leafRung : Foundations.Descent 400 370
    21
    22end Lax771644.OpenLeaf
    23
    Show Proof
    Formalization notes

    Same as OpenMiddleOpenMiddle, one link further down.

    Builds on
    Used by

    none

    From Mathlib

    Discussion

    Ask a question or add context. Endorsements and structured flags are kept in the review panel above.

    Loading discussion…