EntityQ246672· pop 40· linked from 464 articlesmathematical objectSign in to saveabstract object in mathematicsConnectionsmathematical logicEntityphysical objectEntitysemantic theory of truthEntityaxiomEntitypropositionEntityfirst-order logicEntityformal systemEntityexistential quantificationEntityrecursive setEntityhistory of logicEntitysemantics of logicEntitystructureEntitydiagramEntityground expressionEntitymathematicsEntityscienceEntitybiologyEntityphysicsEntityPlatoEntityplanetEntityCategoriesCategory theoryMathematical conceptsMathematical objectsMathematical Platonism