Three experiments are run in this disquisition to compare two different viewpoints about establishment of productive rules and production system.

本论文设计了三个实验，旨在验证和比较这两种关于产生式建立的主要观点。

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"I am satisfied that the exchange of views we have had have been productive in helping me make the case for the re-establishment of the institutions absolutely as quickly as possible and without delay, " he said.

BBC: NI peace in 'serious' trouble