Do you have a source for that claim? There is no reason why nodes with different trust lists would become partitioned. Even if a majority of the nodes were malicious, all they could do is prevent the honest nodes from reaching consensus. The honest nodes would effectively stop operating, as every ledger confirmed by the malicious group would be marked as unreliable by the honest group.
Yes, it's in the original bitcointalk thread where Ripple.com was announced. A note about your example: it's not a majority of all nodes, it's a majority of your trusted node list. Which is different for every node.
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Do you have a source for that claim? There is no reason why nodes with different trust lists would become partitioned. Even if a majority of the nodes were malicious, all they could do is prevent the honest nodes from reaching consensus. The honest nodes would effectively stop operating, as every ledger confirmed by the malicious group would be marked as unreliable by the honest group.
Yes, it's in the original bitcointalk thread where Ripple.com was announced. A note about your example: it's not a majority of all nodes, it's a majority of your trusted node list. Which is different for every node.