Want of logic in a tribunal's reasoning does not of itself constitute an error of law; the inference need only be 'reasonably open' on the material. A failure to rationally consider probative evidence, while different from a simple mistake of fact, does not of itself amount to a mistake of law. In refugee cases, the civil standard of proof is an appropriate guide for fact-finding except where the nature of the decision makes it inappropriate, such as when assessing future risks of persecution.
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