0) causal model == symbolic representation with associated rules for generating statements 1) understanding anything == building a causal model of it 2) intel

0) causal model == symbolic representation with associated rules for generating statements 1) understanding anything == building a causal model of it 2) intelligence == ability to build causal models 3) reasoning == proving or disproving statements 4) math == causal models of abstract worlds 5) science == causal models of real world with associated real world actions to test hypothesis