Full Idea
To my contention that, on his principles, 'the existent round square' exists, Meinong replies that it is existent but does not exist. I must confess that I see no difference between existing and being existent, and I have no more to say on this head.
Gist of Idea
On Meinong's principles 'the existent round square' has to exist
Source
Bertrand Russell (Review: Meinong 'Uber die Stellung...' [1907], p.93)
Book Reference
Russell,Bertrand: 'Essays in Analysis', ed/tr. Lackey,Douglas [George Braziller 1973], p.93
A Reaction
Russell is obviously invoking the famously dubious ontological argument for God's existence. Normally impossible objects are rejected because of contradictions, but there might also be category mistakes. 'The slow square'.
Related Idea
Idea 21561 'The number one is bald' or 'the number one is fond of cream cheese' are meaningless [Russell]