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CloudGet["https://wolfr.am/PJKo9Lnq"];EuclidGraphLarge[Subgraph[euc,VertexOutComponent[euc,<|"Book"->1,"Theorem"->5|>,2]]]
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This is a “proof path”

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ReverseGraph[%]
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CloudGet["https://wolfr.am/PJKo9Lnq"];EuclidGraphSmall[Subgraph[euc,VertexOutComponent[euc,<|"Book"->12,"Theorem"->3|>]],"Intense"]
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ReverseGraph[%]
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Generational steps ~ transitive closure

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CloudGet["https://wolfr.am/PJKo9Lnq"];ReverseGraph[EuclidGraphSmall[TransitiveReductionGraph[Subgraph[euc,VertexOutComponent[euc,<|"Book"->12,"Theorem"->18|>]]],"Intense"]]
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CloudGet["https://wolfr.am/PJKo9Lnq"];Row[Riffle[ReverseGraph/@(EuclidGraphLarge[#[Subgraph[euc,VertexOutComponent[euc,<|"Book"->12,"Theorem"->18|>,1]]],ImageSize->{Automatic,180}]&/@{Identity,TransitiveReductionGraph}),Spacer[50]]]
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This is a many-theorems-in, one-theorem-out token-event graph

Where is the proof path within the Euclid-populated entailment cone

Populated entailment cone

Skeleton entailment cone
[~ Lewis & Clark only surveyed some portions of the land ]
The manner of population reflects the operation of mathematical observers....

Superaxioms are the “supernamed axioms” from the populated entailment cone
[From the raw entailment cone; (AKA barren entailment cone; greenfield entailment cone; uninhabited; unobserved) ]
popular populated

[ Like Chicago, where railroads meet ]

Geometry

Euclid’s version:

Effectively entailment fabric from a union of proof graphs:

Not the full fabric; just a single ATP thread for each theorem

Pythagorean theorem

Summarized version of branchial graph:

Pythagorean MetaMath

This is the source for proofs of theorems....

Most “complex” theorem:

What is the distribution of populated proof path sizes for different areas?

Top 100 Theorems

Modifying pythi ....
[Color code by area]
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