how connected with causation, [83]

Pragmatism, [147]

Proclus, [3]

Pythagoreans, [9]

Reality, degrees of, [57]

Reid, Thomas, [85], [125]

Renaissance, scientific activity of the, [17]

Rousseau, [29], [119]

St. Simon, [127]

Schelling, F. W. J., [106] ff.;