Academ, 14-15
Anselm, Sant, 65
Aristòtil, 12-13,33,88,146,147
Austin, 17
Berkeley, 111
Borges, 13-14,53
Darwin, 34
Descartes, 66,127
Frege, 128
Fuster, 8-9,61
Goldbach, 102
Goodman, 72-75
Grice, 17, 79-80
Hanson, 34
Hegel, 49
Hume, 47,58,61
Kant, 19,20n,66
Kripke, 114
Lamarck, 34
Leibniz, 46,98
Locke, 19-20, 63
Lyer, 78
Müller, 78
Musil, 34
Occam, 100
Peirce, 12-13,57
Plató, 14,31,76,96,144
Putnam, 36-38
Quixot, 109
Russell, 130
Ryle, 101
Sabater Pi, 63
Sherlock Holmes, 12
Sòcrates, 61,147
Smullyan, 92n, 106
Wittgenstein, 30,72