Answer to Question #100369 in Discrete Mathematics for Claire Tatro

Question

Use natural deduction to derive the conclusion in each problem.


Use conditional proof or indirect proof as needed:

1.
(x)(Dx ⊃ x = a)

2.
(x)[Ex ⊃(Dx • x = e)]
/ (∃x)(Ex ⊃ a = e)

Answer 1

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