I'm thinking det(A+B) >= det(A) + det(B) but I need a proof on this to formally prove something else.

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Originally Posted by rubix I'm thinking det(A+B) >= det(A) + det(B) but I need a proof on this to formally prove something else. If and then so but .

Originally Posted by rubix I'm thinking det(A+B) >= det(A) + det(B) but I need a proof on this to formally prove something else. As zoek has shown, your lemma is not true. What is the "something else" you're trying to prove?

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