Perspectives, [88] ff., [111].

Philoponus, [171 n.]

Philosophy and ethics, [26] ff.
and mathematics, [185] ff.
province of, [17], [26], [185], [236].
scientific, [11], [16], [18], [29], [236] ff.

Physics, [101] ff., [147], [239], [242].
descriptive, [224].
verifiability of, [81], [110].

Place, [86], [90].
at and from, [92].

Plato, [4], [19], [27], [46], [63], [165 n.], [166], [167].

Poincaré, [123], [141].

Points, [113] ff., [129], [158].
definition of, [vi], [115].

Pragmatism, [11].

Prantl, [174].