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Strong vs Weak Emergence
- Strong emergence means higher-level properties have causal powers not fixed by underlying parts alone.
- The whole system influences parts, creating two-way causal interaction distinct from weak emergence.
Emergent Consciousness and Physical Laws
- The brain's physical laws are open-ended; new laws at higher complexity levels can exist without violating physics.
- Consciousness as emergent need not break physical law but adds new causal principles at complex brain levels.
Consciousness Resists Reduction
- Unlike life explained scientifically through reduction, consciousness resists such reduction and seems fundamentally unified with physical brains.
- Mind and brain form an intimate psychophysical unity rather than two distinct substances.