582 DOC. 26

COMMENTS ON DOC.

13

Published

as a

supplement to

Einstein and Grossmann

1914a,

the version of Einstein and

Grossmann 1913

(Doc. 13),

published

in

Zeitschrift

für

Mathematik und

Physik

62

(1914):

260-261. Published

30

January

1914.

[1]See

Einstein and Grossmann

1913 (Doc.

13), §§5, 6.

[2]The

following

is

the

first

publication

of the so-called "hole

argument;"

for historical

discussions,

see

Stachel

1989, sec. 3;

Norton

1984, sec. 5;

and the

editorial

note,

"Einstein

on

Gravitation

and

Relativity:

The Collaboration

with

Marcel

Grossmann,"

pp.

297-298.

[3]For

an important

clarification of

the

significance

of the

preceding equations, see

Einstein

1914e

(Doc. 25), p.

178,

fn.

1.

[4]See

Einstein and Grossmann

1913 (Doc.

13),

p.

17.

For Einstein's

use

of conservation

laws

in

order

to

justify

the

restricted covariance of his

field

equations, see

Einstein

to

H.

A.

Lorentz,

16 August

1913

(Vol.

5,

Doc.

470);

Einstein

to

Paul Ehrenfest,

before

7

November

1913

(Vol. 5,

Doc.

481);

Einstein

1914g

(Doc.

16), p.

289;

Einstein 1913c

(Doc.

17), p.

1258;

and

Einstein

1914e

(Doc. 25),

p.

178.

[5]See

also Einstein

to Paul Ehrenfest,

second half of November

1913

(Vol. 5,

Doc.

484),

for

a

discussion of these

geometrical implications

of the restricted covariance of Einstein's

field

equations.

[6]The following

equations

first

appeared

in

Einstein 1913c

(Doc.

17), §7.

[7]See

Einstein 1913c

(Doc.

17), §3.