[Merged by Bors] - feat: union/intersection lemmas for DirSupInacc/DirSupClosed

[vihdzp]

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[github-actions]

PR summary 53f40a86f2

Import changes exceeding 2%

%	File
+4.79%	Mathlib.Order.DirSupClosed

Import changes for modified files

Dependency changes

File	Base Count	Head Count	Change
Mathlib.Order.DirSupClosed	355	372	+17 (+4.79%)

Import changes for all files

Files	Import difference
Mathlib.Order.DirSupClosed	17

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Declarations diff

+ DirSupClosed.empty
+ DirSupClosed.iInter
+ DirSupClosed.sInter
+ DirSupClosed.univ
+ DirSupClosedOn.empty
+ DirSupClosedOn.iInter
+ DirSupClosedOn.inter
+ DirSupClosedOn.sInter
+ DirSupClosedOn.univ
+ DirSupInacc.empty
+ DirSupInacc.iUnion
+ DirSupInacc.sUnion
+ DirSupInacc.univ
+ DirSupInaccOn.empty
+ DirSupInaccOn.iUnion
+ DirSupInaccOn.sUnion
+ DirSupInaccOn.union
+ DirSupInaccOn.univ

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.

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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).

[b-mehta]

It would be nice to have the iUnion/iInter versions alongside the sInter and sUnion versions, but thanks for this!

bors d+

[mathlib-bors]

✌️ vihdzp can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

[vihdzp]

I've added indexed union/intersection versions :)
bors r+

[mathlib-bors]

Pull request successfully merged into master.

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