15 Every candidate except Mary was elected Th e only candidate who was elected is Ralph Mary is not Ralph Th erefore, there were exactly two candidates (Cx x is a candidate Ex x was elected m Mary r Ralph) Derive the conclusion of the following arguments Use conditional proof or indirect proof as needed

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15  Every candidate except Mary was elected  Th e only candidate who was elected is Ralph  Mary is not Ralph  Th erefore, there were exactly two candidates  (Cx  x is a candidate  Ex  x was elected  m  Mary  r  Ralph) Derive the conclusion of the following arguments  Use conditional proof or indirect proof as needed

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Question: 15. Every candidate except Mary was elected. Th e only candidate who was elected is Ralph. Mary is not Ralph. Th erefore, there were exactly

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