Multiple Choice
Identify the following as valid, invalid, strong, or weak: "Assuming Betty's flight leaves on time, she will arrive in Seattle at 6:00 p.m. Betty's flight did leave on time, so she will arrive in Seattle at 6:00 p.m."
A) valid
B) invalid
C) strong
D) weak
Correct Answer:

Verified
Correct Answer:
Verified
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