Bolzano, [165].

Boole, [40].

Bradley, [6], [39], [165].

Broad, [172 n.]

Brochard, [169 n.]

Burnet, [19 n.], [160 n.], [161 n.], [170 n.], [171] ff.

Calderon, [95].

Cantor, [vi], [vii], [155], [165], [190], [194], [199].

Categories, [38].

Causal laws, [109], [212] ff.
evidence for, [216] ff.
in psychology, [219].