1.3a          Valid Arguments (This is the experimental version. Here is the Old.)

Drag the description (in red) to the appropriate argument below. (Place
them at the top left of the argument -- they will "snap" into place over the white space.)
Valid, True Premises,
True Conclusion
 
Valid, False Premises,
True Conclusion
 
Invalid, True Premises,
False Conclusion
 
Valid, False Premises,
False Conclusion
 
Valid, True Premises,
False Conclusion

All ravens are birds.
No birds are mammals.
_____________
No ravens are mammals.
Some monkeys are human.
All humans have tails.
_____________
Some monkeys have tails.
All whales are fish.
All fish fly.
_______
All whales fly.