Artiweb > Pull Request #3083

Proof caching #3083

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Description

The changes in this PR allow for closing a goal by "reference" to another proof. Implemented features: - manually close by reference - automatically search for references when applying strategy - copy proof steps from referenced proof into new proof - automated test of new feature

Discussion points: - is it useful to have a manual action to close by reference? (currently in the proof context menu)

Testing on real proofs: - SumAndMax: first proven with 3/4 ensures clauses, then with all of them => 20 cached branches

Other changes: - Font Awesome is updated to version 6 for a new symbol

Artifacts