P3. Every rule there is an exception.
I see a couple of potential problems with this premis and would love to hear your input.
1. Would you say that P3 is a rule? And being a rule it has exceptions? This would reduce the rule to...
Every rule there is an exception, except when there isn't
Which reduces to...
Some rules have exceptions some rules don't
2.
Every square is a rectangle. Would you say that that is a rule? Can you think of an exception?
3. What is the difference between a rule having an exception and an incomplete rule?
Everyone must stop on red light. That is the rule. Certainly it has EXCEPTIONS. Ambulance, police cars.
What if I changed the rule to the following.
Everyone but ambulances and police cars must stop on red lights
As long as there are a finite number of exceptions, the once incomplete rule with exception/s can be turned into simply a complete rule. This reduces your statement to...
Every rule either has no exceptions, is incomplete, or has an infinite amount of exceptions
I think to really get at the heart of the matter we need to examine what a rule is. I would appreciate a definition.