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Question: foundations of mathematics shown work would be great...

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Foundations of mathematics. Shown work would be great

Q5. True or False Then Card(A) Card Card(B) (ii). IfA = {xeR 1-3 < 5} Then B c A and Card(A) < Card(B) (iii). IfA = {xeQ | x2 =-4} Then Card(A) Card(B) (iv). IfAs (EN 1x2 = 21) B = (xeR 1x2-21) Then Card(A U B) = 1
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