If a number x is positive, so is x+1. This seems rather intuitive to me, but I'm having trouble proving it formally. So far I've got is x > 0 and x+1 > 0. I'm not sure where to go from here.
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Originally Posted by sgcb If a number x is positive, so is x+1. This seems rather intuitive to me, but I'm having trouble proving it formally. So far I've got is x > 0 and x+1 > 0. I'm not sure where to go from here. x>0 Add 1 to both sides.... x+1>0+1 x+1>1 therefore x+1 is positive.
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