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Final sorry + PDF Overfills - #43

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KellyJDavis merged 2 commits into
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numina/aqft-in-lean
Oct 8, 2026
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KellyJDavis merged 2 commits into
mainfrom
numina/aqft-in-lean

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KellyJDavis and others added 2 commits October 7, 2026 17:27
Move flatEquiv to PseudoRiemannian/Basic.lean and prove that x ↦ ♭_x⁻¹ is a
smooth section of Hom(T*M, TM): in trivialisation coordinates it is the
inverse of the metric's coordinate form, and inversion is smooth. This was the
last unformalised node in Chapter 10; update the home page accordingly.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Let \texttt break after '.', '_' and '/' in the pdf preamble so long Lean names
wrap, add emergency stretch and a higher tolerance, split ten over-wide
displays across lines, and shorten one theorem title whose header could not
break. The pdf build now reports no overfull boxes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@KellyJDavis
KellyJDavis merged commit 76a97e1 into main Oct 8, 2026
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