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construct a complete truth table for each of the following propositions. Then, using the truth table, classify each proposition as a tautology, a contingency, or a contradiction.
Justify your answers by appeal to the meanings of those terms.
-[(Q ⊃ R) ⊃ (R ⊃ S)] ≡ ∼(∼Q S)
Ovary
One of two female reproductive glands located in the pelvic cavity; produces the secondary oocyte, estrogen, and progesterone.
FSH
A hormone called follicle-stimulating hormone plays a role in the reproductive functions of both men and women.
PTH
Stands for Parathyroid Hormone, a hormone secreted by the parathyroid glands that regulates calcium and phosphorus concentrations in the blood.
Target Tissue
Tissue on which a hormone acts.
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