(29): uncomment references to diagrams
(29): uncomment references to diagrams

avigad/logic_and_proof,rlewis1988/logic_and_proof,rlewis1988/logic_and_proof,leanprover/logic_and_proof,fpvandoorn/logic_and_proof,leanprover/logic_and_proof,avigad/logic_and_proof,leanprover/logic_and_proof,rlewis1988/logic_and_proof,fpvandoorn/logic_and_proof,fpvandoorn/logic_and_proof,avigad/logic_and_proof