feat(SetTheory/Cardinal/Arithmetic): miscellaneous cardinality lemmas

[vihdzp]

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[github-actions]

PR summary ae2923363e

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff

+ _root_.Equiv.lift_cardinal_eq
+ add_mk_eq_self
+ mk_congr_lift
+ mk_preimage_equiv
+ mk_preimage_equiv_lift
+ mk_range_inl
+ mk_range_inr

You can run this locally as follows

## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

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

The doc-module for script/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/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).