 Curry’s paradox |  epistemic paradoxes |  Fitch’s paradox of knowability |  Frege, Gottlob |  Frege, Gottlob: theorem and foundations for arithmetic |  liar paradox |  logic: linear |  logic: paraconsistent |  logic: substructural |  Quine, Willard van Orman: New Foundations |  recursive functions |  Russell, Bertrand |  Russell’s paradox |  set theory |  set theory: alternative axiomatic theories |  set theory: constructive and intuitionistic ZF |  set theory: early development |  set theory: non-wellfounded |  set theory: Zermelo’s axiomatization of |  Sorites paradox |  Tarski, Alfred: truth definitions |  truth |  truth: axiomatic theories of |  type theory |  vagueness |  Zeno of Elea |  Zeno of Elea: Zeno’s paradoxes 