Crossword Genius

Political theory of some zany brothers? (7)

Ross

I believe the answer is:

marxism

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This clue might be a double definition.

'political theory' is the first definition.
(I've seen this before)

'of some zany brothers?' is the second definition.
The definition suggests a singular noun which matches the answer.

Can you help me to learn more?

(Other definitions for marxism that I've seen before include "Left-wing philosophy" , "Political doctrine" , "political philosophy?" , "Left-wing system" , "Communist belief" .)

I've seen this clue in The Guardian.
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