trureturingGitHub MATHEMATICAL ATLAS

Recurrence / CONCEPT

Mixed-Parity Blocks in Set Partitions

Parity restriction and gluing prove Hanna's mixed-block partition product.

Closed Authored exposition
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THEOREM

Marked partitions realize A049020

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Mixed-Parity Blocks in Set PartitionsMixed-Parity Blocks in SetPartitions
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Certified topology / DOWNSTREAM

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Lean sourceResearch workspace
Status
Closed
Depth
0
Layer
D5/S1
Domain
Recurrence
Node ID
D5/S1/Recurrence/Partitions/MixedParityBlockPartitionProduct
Repository path
D5/S1/Recurrence/Partitions/MixedParityBlockPartitionProduct.lean
Truth release
sha256:76a8db6a0f78609b1b9d4a959c8392f2752f2daaddc1930e046e34ce07d0f608
Source commit
b52262a023c4db9bb30a128ebfd80ea4ef4c1a53
Source tree
37a24ddf3b9983bdabf0acbfd9b32b06c35c28d3

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Dependency edges, status, and source coordinates come from the verified release and certified topology. Blueprint exposition is labeled separately. A fallback title carries no additional mathematical authority.