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1. (∀x) {Px ⊃ (∃y) [Py • f(x) =y]}
2. Pa • (∀x) f(x) ≠a
-Which of the following propositions is derivable from the given premises in FF?
Price
The price one must pay to obtain a good or service.
Quantity Supplied
Refers to the amount of a good or service that producers are willing and able to sell at a given price over a specified period.
Contact Lenses
Thin optical lenses worn directly on the eyes to correct vision or for cosmetic purposes.
Quantity Supplied
The total amount of a good or service that producers are willing to sell at a given price over a specified period.
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