What is the difference between "Masos, Osos, Mofsim and Milchamah"?
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Rashi: "Masos" are 'tests',
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where Hashem displayed His capability;
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"Osos" are signs, to prove that Moshe was Hashem's Shali'ach
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: "Mofsim" are wonders (or miracles), such as the ten Makos, whereas "Milchamah" refers exclusively to the destruction of the Egyptians at the Yam-Suf.
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