Individuality (spiritual); as a problem, [132] ff., [181] ff., [370]

Instruction; problems in the present time with reference to, [343] ff.

Inwardness; its attainment of independence in man, [123] ff., [146] ff.; as the inner life of reality, [148] ff.; inwardness and the inner world, [303]

Irrationality, of existence; in what manner overcome, [279]

Kant; inconsistency in the relation to him in the present time, [348]

Knowledge; its form in the new system, [351]

Life; its detachment from the mere individual, [119] ff.; the two movements in it, [282] ff.

Life-process; as the fundamental principle of investigation, [104] ff., [305] ff., [349] ff.

Life’s attainment of greatness, [240] ff.

Life-work; its significance in acquiring stability, [253]