Firstly, we construct the conditional system AKC with double conditions for aim and background knowledge, give some results of its proof theory.

首先，我们构造以目的和背景知识为双条件的条件句系统akc，给出它的一些证明论结果。

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Firstly, we construct the dynamic epistemic conditional system DEC1, give some results of its proof theory.

首先，我们构造动态认知条件句系统DEC1，给出它的一些证明论结果。

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Firstly, we construct the dynamic epistemic conditional system DEC2, give some results of its proof theory.

首先，我们构造动态认知条件句系统DEC2，给出它的一些证明论结果。

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Figure 3 shows the results of a conditional moving average timing signal I created on StockScreen123.

FORBES: Market Timing Is Serious Work, Not Sorcery