Master-master doesn't automatically imply AP. e.g. EPaxos [1] is basically a master-master CP system. [1] https://www.cs.cmu.edu/~dga/papers/epaxos-sosp2013.pd

Master-master doesn't automatically imply AP. e.g. EPaxos [1] is basically a master-master CP system. [1] https://www.cs.cmu.edu/~dga/papers/epaxos-sosp2013.pdf https://www.cs.cmu.edu/~dga/papers/epaxos-sosp2013.pdf