Question: 7. Let C be the first-order language with one constant symbol c, one nary relation symbol U, one unary function symbol. Let be a collection

7. Let C be the first-order language with one constant symbol

7. Let C be the first-order language with one constant symbol c, one nary relation symbol U, one unary function symbol. Let be a collection of L-formulas for which E U (@)), and suppose does not occur in any C-sentence of Show that S VU(x). 7. Let C be the first-order language with one constant symbol c, one nary relation symbol U, one unary function symbol. Let be a collection of L-formulas for which E U (@)), and suppose does not occur in any C-sentence of Show that S VU(x)

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