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Read the statements: All squares are rectangles. All rectangles are quadrilaterals. Conclusions: I. All squares are quadrilaterals.
II. Some quadrilaterals are rectangles. Which conclusion(s) follow?

Competition practiceSyllogism
  • ABoth conclusions follow
  • BNeither conclusion follows
  • COnly conclusion II follows
  • DOnly conclusion I follows

Step-by-Step Solution

Squares ⊂ rectangles ⊂ quadrilaterals, so I follows. All rectangles are quadrilaterals, so some quadrilaterals are rectangles: II follows too.
Answer: A) Both conclusions follow

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