EntityQ902052· pop 18· linked from 347 articlesGödel's completeness theoremSign in to savefundamental theorem in mathematical logicConnectionsstructureEntitysemantic theory of truthEntitymathematical logicEntityGödel's incompleteness theoremsEntitycountable setEntityfirst-order logicEntityPeano axiomsEntityformal systemEntityconsistencyEntitycomputable functionEntityrecursive setEntitysoundnessEntitysemantics of logicEntitysecond-order logicEntityrecursively enumerable setEntityreverse mathematicsEntityHilbert systemEntitydiagramEntityground expressionEntitycomputerEntityCategoriesMetatheoremsModel theoryProof theoryTheorems in the foundations of mathematicsWorks by Kurt Gödel