one (is) of theft and the other (is) of robbery.

[thehammer]

Can 'is' be left out?

1- Two cases have been registered against him, one (is) of theft and the other (is of robbery.

 

[emsr2d2]

Can 'is' be left out?

1- Two cases have been registered against him, one (is) of theft and the other (is) of robbery.

Both instances of "is" should be removed, mainly because "of" is wrong. It should be "for" (both times).

 

[thehammer]

Both instances of "is" should be removed, mainly because "of" is wrong. It should be "for" (both times).

I mean to say 'one case is of theft' and 'the other case is of robbery'. Why should I use 'for'?

 

[emsr2d2]

I mean to say 'one case is of theft' and 'the other case is of robbery'. Why should I use 'for'?

I understood what you were trying to say but "of" is the wrong preposition. Here's the natural version:

Two cases have been registered against him - one for theft and the other for robbery.

(Note that I have left "cases have been registered" because it might be right in a variant of English. In the UK, I would expect "He has been charged with two crimes" or something similar.)

 

[probus]

In AmE it is very common to refer to criminal charges as "counts". For example: Joe was charged with three counts of armed robbery. By the way, in legal jargon robbery is theft by means of violence or the threat of violence.