Statement and Lean representation

There is no upper bound on natural-number primes.
Nat.not_bddAbove_setOf_prime
¬BddAbove { p | Nat.Prime p }

A Lean check concerns the formal statement. The match to the cited wording awaits independent review.

Evidence

The four dimensions below have distinct meanings and do not inherit one another's status.

Lean check
Upstream declaration pinned
Statement alignment
Possible match; unresolved
Independent reproduction
Not yet reproduced
Mathematical review
Independent review pending

Proof outline

A bound would contradict the witness theorem

  1. Assume an upper bound.
  2. Apply the witness theorem beyond that bound.

This outline is source-linked and awaits independent mathematical review.

Cited passages

Several possible infinitude formulationsPrime numbers do not run out · lines 17–19Unbounded-set formulationMathlib: infinitude of primes · lines 44–49