§ 51. Idempotency.
§ 52. Standard form of idempotent vectors.
§ 53. Spectral sets.
§ 54. Table of symbolic coefficients.
§ 55. The wave identities.
§ 56. Matrix representation of E-numbers.
§ 57. Factorisation of E-numbers.
§ 58. Wave tensors.
§ 59. Phase space.
§ 60. Space tensors of the second rank.
§ 61. The quantum-classical analogy.
§ 62[a]. Space tensors of the second rank.
§ 62[b]. The symbolic frame in relative space.
§ 63. Reality conditions in relative space.
(Drafted Mar. 1943, revised Dec. 1943. The chapter number has been altered in pencil to ‘VII’.)