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feat(Order/Partition): operations over Frame#38185

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Jun2M:PartitionBind
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feat(Order/Partition): operations over Frame#38185
Jun2M wants to merge 1 commit intoleanprover-community:masterfrom
Jun2M:PartitionBind

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@Jun2M Jun2M commented Apr 17, 2026

This PR introduces:

  • Partition.induce: The induce of a partition by a frame element.
  • Partition.disjUnion: The disjoint union of two partitions.
  • Partition.bind: The finer partition obtained by family of partitions for each part of the original partition.

Co-authored-by: Peter Nelson apn.uni@gmail.com


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PR summary 57d3e16137

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ bind
+ bind_le
+ disjUnion
+ induce
+ induce_induce
+ inf_mem_induce
+ mem_bind_iff
+ mem_induce_iff
+ sSupIndep.image

You can run this locally as follows
## summary with just the declaration names:
./scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh contains some details about this script.


No changes to technical debt.

You can run this locally as

./scripts/reporting/technical-debt-metrics.sh pr_summary
  • The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
  • The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

@github-actions github-actions bot added the t-order Order theory label Apr 17, 2026
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