... 's questionable whether having to memorize an additional rule for one ... when you still have to memorize the original rules anyway for ... sure. And if you just memorize that g3=g2 and g4 ...
...
-2 Some statements alone = No valid conclusion
-1 All statement ... in the necessary condition = No valid conclusion
-1 Most ... and 1 Some statement = No valid conclusion
You ... can also draw a valid conclusion with a "some" ...
... for this argument to be valid, though. It's impossible for ... .g. modus ponens is a valid inference rule and 1+1 ... number of assumptions in every valid argument, and each proposition will ...