Were I to do this, I'd pick Metamath. Or maybe Metamath Zero, which has around the same level of abstraction as Metamath but is shaped more like a common CPU than a string-rewriting system.
‘I need to see improvement. I need to adjust my selection’
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欧元、英镑、澳元、日元兑美元均下跌,欧元、英镑、日元兑美元跌幅分别为0.78%、0.98%和0.64%。日元的走弱尤为引人注目,通常日元是避险货币,在风险厌恶环境中备受青睐,但这次受限于日本国内货币政策预期——日本央行的加息时间表,以及地区局势对亚洲贸易流的直接冲击,日元未能发挥传统的避险功能,反而随亚洲风险资产一同承压,此其中,日股跌势也颇为显著,我们将在下文论述,资金逃出日本资产或是日元和日股下跌的重要原因。