Alphabeta Math

Banach-Space Differential Calculus and Banach Manifolds: Examples

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How statement and proof provenance work

The first chip identifies the source of the statement or construction; the second identifies the source of its local proof or verification.

  • Literature-sourced: the exact statement appears in a cited source; only wording and notation differ.
  • AI-adapted: a semantically identical restatement of literature-sourced material, modulo indexing, notation, and boundary cases adopted by the library.
  • AI-generated: a genuinely novel statement formulated by AI, with no source for the claim itself.

These labels describe origin, not correctness: citations and verification chips remain separate evidence.

1 · Prerequisites
Abstract Algebra
Combinatorics
Functional Analysis
Linear Algebra
Real Analysis
Set Theory
Topology
2 · Logical flowchart

3 · Items

Example

The derivative of a bounded bilinear map

Example

The Banach inverse theorem for a small Lipschitz perturbation of the identity

Example

A regular level set in a Banach space

Example

A projection with finite-dimensional kernel is Fredholm

Counterexample

A closed subspace of ell-infinity that is not complemented

Sources