Star Trek

[innerSpaceman]

Originally Posted by Alex

I don't think there are "basic rules of alternate realities" though you're right that such a rule is not infrequent in the genre. Don't think it has ever been suggested for Star Trek though.

In fact, that was one of the nicely sly bits ... Old Spock explaining to Spock how easy it was to get Kirk to assume the universe would implode if 2 of the same people were to meet in a temporal paradox ... but, no, that's just a wive's tale. Hehehe.