Philosophy
posted by Ann .
How would you construct a proof to show that the following arguments are valid?
1. TvH
2. T→G
3. ~H ֶG
1. ~~A
2. ~A v C ֶC
1. S • T
2. (S • T) → G
3. G →(H v B) ֶ H v B
1. A →B
2. C →D
3. A v C
4. ~D ֶ B
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