EntityQ918099· pop 20· linked from 85 articlesRamsey's theoremSign in to savecombinatorics theorem that any edge labeling of a sufficiently large complete graph contains monochromatic cliquesConnectionsnatural numberEntityFrank P. RamseyEntityZermelo–Fraenkel set theoryEntityJoel SpencerEntityreverse mathematicsEntityinfinitary combinatoricsEntityInternational Standard Book NumberEntityset theoryEntitysetEntitydigital object identifierEntityInternational Standard Serial NumberEntitycombinatoricsEntityPaul ErdősEntitygraph theoryEntitymathematical inductionEntityQ180686EntitysubsetEntitygraphEntityJSTOROrganizationbibcodeEntityCategoriesRamsey theoryTheorems in graph theory