# An investigation of the laws of thought/Errata

(Published Errata; is not listed in published Contents.)

Page  57, line 11 from bottom, for ${\displaystyle \scriptstyle {y}}$ read ${\displaystyle \scriptstyle {z}}$.

Page93, line  5, for is read be.

Page 119, line  6, the letter ${\displaystyle \scriptstyle {w}}$ imperfect, like ${\displaystyle \scriptstyle {v}}$.

Page 000, line 10, for ${\displaystyle \scriptstyle {{\bar {w}}{\bar {x}}}}$ read ${\displaystyle \scriptstyle {{\bar {w}}{\bar {z}}}}$.

Page 120, line  1, last term, for ${\displaystyle \scriptstyle {z}}$ read ${\displaystyle \scriptstyle {\bar {z}}}$.

Page 128, line  4 from bottom, for ${\displaystyle \scriptstyle {\bar {w}}}$ read ${\displaystyle \scriptstyle {\bar {x}}}$.

Page 000, line  6 from bottom, for ${\displaystyle \scriptstyle {x{\bar {w}}+x}}$ read ${\displaystyle \scriptstyle {x{\bar {w}}+{\bar {x}}w}}$.

Page 000, line  8 from bottom, the letter ${\displaystyle \scriptstyle {w}}$ imperfect, like ${\displaystyle \scriptstyle {v}}$.

Page 129, line  2, for ${\displaystyle \scriptstyle {x{\bar {y}}z}}$ read ${\displaystyle \scriptstyle {{\bar {x}}{\bar {y}}z}}$.

Page 221, line 18, for ${\displaystyle \scriptstyle {vy}}$ read ${\displaystyle \scriptstyle {{\bar {v}}y}}$.

Page 231, line 10 from bottom, for ${\displaystyle \scriptstyle {vz}}$ read ${\displaystyle \scriptstyle {v'z}}$.

Page 261, line  2 from bottom, for ${\displaystyle \scriptstyle {p,~q,~r}}$, read ${\displaystyle \scriptstyle {p',~q',~r'}}$.

Page 262, line 22, for ${\displaystyle \scriptstyle {p'}}$ and ${\displaystyle \scriptstyle {q'}}$ read ${\displaystyle \scriptstyle {p}}$ and ${\displaystyle \scriptstyle {q}}$.

Page 270, line  6 from bottom, for ${\displaystyle \scriptstyle {Xy}}$ read ${\displaystyle \scriptstyle {XY}}$.

Page 274, line 11, for ${\displaystyle \scriptstyle {t_{2}t_{2}}}$ read ${\displaystyle \scriptstyle {t_{1}t_{2}}}$.

Page 282, line 10, dele (1) gives.

Page 291, line  1, for ${\displaystyle \scriptstyle {y+{\bar {y}}{\bar {z}}}}$ read ${\displaystyle \scriptstyle {y+{\bar {y}}z}}$.

Page 297, line 10 from bottom, prefix ${\displaystyle \scriptstyle {=}}$

Page 308, line  4, for limit read limits.

Page 309, line  7, for ${\displaystyle \scriptstyle {sq(1-t)}}$ read ${\displaystyle \scriptstyle {sy(1-t)}}$.

Page 313, line 13 from bottom, for ${\displaystyle \scriptstyle {s_{1}=0}}$ read ${\displaystyle \scriptstyle {{\bar {s}}_{1}=0}}$.

Page 314, line  9 from bottom, omit the comma.

Page 315, line  4 from bottom, for ${\displaystyle \scriptstyle {{\bar {s}}_{1}s_{2}..s_{n}}}$ read ${\displaystyle \scriptstyle {{\bar {s}}_{1}{\bar {s}}_{2}..{\bar {s}}_{n}}}$.

Page 322, bottom line, read the second term as ${\displaystyle \scriptstyle {{\bar {s}}{\bar {t}}x{\bar {y}}}}$.

Page 330, line  6, for ${\displaystyle \scriptstyle {\nu '}}$ read ${\displaystyle \scriptstyle {n'}}$.

Page 331, line  5 from bottom, for ${\displaystyle \scriptstyle {p'm}}$ read ${\displaystyle \scriptstyle {h'm}}$.

Page 334, line 16, supply the letter ${\displaystyle \scriptstyle {s}}$.

Page 351, line 10 from bottom, for ${\displaystyle \scriptstyle {v_{1}}}$ read ${\displaystyle \scriptstyle {x_{1}}}$.

Page 364, line 21, for 91° 4187 read 91°·4187.

Page 373, line  7, for ${\displaystyle \scriptstyle {p=r}}$ read ${\displaystyle \scriptstyle {p-r}}$.

Page 000, line 3, 5, and 6 from bottom, for ${\displaystyle \scriptstyle {1}}$ read ${\displaystyle \scriptstyle {0^{m}}}$.

Page 385, line  6, for ${\displaystyle \scriptstyle {x_{m}}}$ read ${\displaystyle \scriptstyle {x_{n}}}$.

Page 386, line 13, ${\displaystyle \scriptstyle {w}}$ imperfect, like ${\displaystyle \scriptstyle {v}}$.

Page 388, line 16, for ${\displaystyle \scriptstyle {t_{m-1}}}$ read ${\displaystyle \scriptstyle {{\bar {t}}_{m-1}}}$.

Page 389, line  7 from bottom, for ${\displaystyle \scriptstyle {t_{1}..t_{m}}}$ read ${\displaystyle \scriptstyle {{\bar {t}}_{1}..{\bar {t}}_{m-1}}}$.

Page 391, line  5, omit namely.