You're right.
And your father seemed to want to provoke some thought, which he has.
Saying that there is no absolute truth refutes itself. Its called relativism.
If that statement were true it would prove itself false. It self refutes.
Premise 1) Thruth does exist
Premise 2) Truth is not absolute
Conclusion:
Truth is relative
Although the chain of reasoning is correct, the second premise is false.
And your father seemed to want to provoke some thought, which he has.
Saying that there is no absolute truth refutes itself. Its called relativism.
If that statement were true it would prove itself false. It self refutes.
Premise 1) Thruth does exist
Premise 2) Truth is not absolute
Conclusion:
Truth is relative
Although the chain of reasoning is correct, the second premise is false.
James Holmes acted consistent with what evolution teaches. He evolved from an animal, and when he murdered those people, He acted like one. You can't say he's wrong since evolution made him that way.