It is sometimes objected that distinct physical and mental states could not interact, since there is no causal nexus between them.

有时，一个明显的反对是，物理和精神事态不能相互作用，因为它们之间没有因果接扣。

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While the exact mechanism responsible for this development is still unclear, the timing of the increase in patent cases against startups relative to the AIA strongly suggests a causal nexus.

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Is Clara a causal nexus?

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