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Finding the converse of Euclid's fifth postulate (parallel postulate) 
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#1
Sep611, 10:21 PM

P: 155

1. The problem statement, all variables and given/known data
I have to state the converse of the following sentence: 3. The attempt at a solution The statement is a mouthful, so I just want to make sure I got the converse right. 


#2
Sep711, 12:14 AM

Sci Advisor
P: 3,296

I think you'd do better to begin "If two lines produced indefinitely meet on a side of a straight line that falls upon them then on that side ...."
Are you taking old fashioned geometry? 


#3
Sep711, 06:39 AM

Math
Emeritus
Sci Advisor
Thanks
PF Gold
P: 39,544

The converse of any statement of the form "if A then B" is "if B then A".



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