EB 11) Is this a valid argument?
Given: If a triangle has one 30 degree and one 60 degree angle, then it is a right
triangle
A triangle with a 30 degree and a 60 degree angle has a 90 degree angle.
Conclusion: A right triangle has a 90 degree angle.
Yes. This argument uses the Law of Syllogism
No. This is an improper use of the Law of Detachment.
Yes. This argument uses the Law of Detachment.
No. This is an improper use of the Law of Syllogism.
