Comment: Do you seriously ...

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Do you seriously ...

... not see the problem?

They are just redefining the word "nothing" to be "no matter, space, or time." But, they are assuming that energy DID exist. Then, they are showing that "something could come from something," but they are calling it "something from nothing."

If energy already existed, then they cannot claim that NOTHING existed.

See the error? Energy is something, not nothing.

All they are doing is abusing the definition of "nothing."