This means that the a claim in the beginning is equal to the final argument. To put it a better way, it's always true. I will explain this for every example.
Just because you rise at dawn and look out a window, it doesn't mean you'll see a sunrise. What if it's cloudy? What if there's a building right in front of the window.
What if you succeed on the first try? Then you did succeed without a preceding failure.
Just because a source is reliable, doesn't mean they have correct information. And just because you consult them doesn't mean you'll get access.
The other one though, even if you don't believe in Angels, is always true. Angels are either mortal, or immortal. There's only two options, it can't be anything else. Another example is saying something that isn't subjective, like a bridge is built over water or over land. That is always true.
Mar 4th, 2015
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