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Proof theory → Diff

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Revision 7 by MARC Bot July 6, 2019
Revision 8 by ImportBot August 14, 2019
source_records
0 marc:OpenLibraries-Trent-MARCs/tier4.mrc:639818:865 0 marc:OpenLibraries-Trent-MARCs/tier4.mrc:639818:865
1 ia:prooftheory00take_755 1 ia:prooftheory00take_755
2 ia:prooftheory00take_930 2 ia:prooftheory00take_930
3 ia:prooftheory0000take