Constructive arithmetic · public research checkpoints

Bottom-layer proof checkpoints

Public research checkpoint, not admitted to Alpha or Stable. Alpha v30 remains 3222 checked-use theorems; Stable remains 432. The on-demand Alpha Lean service does not yet expose these checkpoint theorems; their independently checked literal bundles and unchanged sources are available below.

Four actual original-HA and independently compiled Lean checkpoints. This public checkpoint map is separate from the unchanged global campaign and is not a new Alpha release.

G014 · F02

Euler's theorem for units

Follow the constructed multiplier permutation, the weighted finite product, and the count-prefix induction to an actual power congruent to one.

32 verified checkpoint theorems · 23 conservative definitions

Enter proof family →

Explore the proof and definition DAG →

View unchanged published G014 roadmap →

The exact G014 theorem is proved in this research checkpoint for m>1 and genuinely invertible a. Phi counts coprime residues independently of the conclusion. The broader coprime theorem also handles m=1 by congruence, not by asserting that one is a canonical remainder. No multiplicative-order or RSA theorem is claimed. The published atlas and Alpha membership are unchanged.

G091 · F10

Prime-field arithmetic and finite tables

Construct the actual operations on representatives below a prime, complete beta-coded tables, a finite enumeration, and addition-of-one histories proving exact characteristic.

87 verified checkpoint theorems · 31 conservative definitions

Enter proof family →

Explore the proof and definition DAG →

View unchanged published G091 roadmap →

This checkpoint constructs prime-order fields (k=1), with genuine finite arithmetic tables, cardinality, and characteristic. Inversion is proved only for nonzero elements; the table's zero entry is a zero-to-zero convention. G091 for every prime power p^k, with an irreducible polynomial of degree k, remains open. No extension-field construction or G091 closure is claimed.

G007 · F01

Möbius values and prime adjunction

Define Möbius values from squarefreeness and the parity of actual prime-factor lists, prove unique values, and trace how a fresh prime changes the sign.

21 verified checkpoint theorems · 20 conservative definitions

Enter proof family →

Explore the proof and definition DAG →

View unchanged published G007 roadmap →

Mobius(n,z) is defined only for positive n. The canonical signed codes are 0 for zero, 2 for +1, and 1 for −1. The function is defined independently of any divisor-sum identity. These values and prime-step lemmas are prerequisites for G007; divisor-sum cancellation and full Möbius inversion remain open in this checkpoint. No signed-table proof is included here.

G007 · F01

Signed arithmetic tables and finite sums

Construct finite signed tables, form their actual prefix sums, and prove that a witnessed permutation preserves the signed sum.

30 verified checkpoint theorems · 16 conservative definitions

Enter proof family →

Explore the proof and definition DAG →

View unchanged published G007 roadmap →

These are genuine signed-table and finite-sum foundations, not full divisor-sum cancellation or Möbius inversion. G007 remains open. The historical MatrixMinorFourCode definition is reused solely as generic nested pairing of four beta parameters; no matrix-specific hypothesis is imported. Equality is equality of represented signed values, not equality of arbitrary component codes.

Evidence boundary: 170 new checkpoint theorems; no Alpha or Stable admissions. Alpha v30: 3222; Stable: 432. The exact G014 statement is proved in this checkpoint, without Alpha admission. Full G007 and G091 remain open. Inspect exact checkpoint inventory.