[Question] What’s the name of this fallacy/​reasoning antipattern?

There’s a particular reasoning antipattern I’m looking for the name of (if it’s been named).

It happens when you imagine what sort of evidence would support the position you want to take, and then prematurely assume from this that the evidence exists, and then use this spurious evidence to justify the original conclusion. For example:

  • I don’t feel like doing laundry today. The machines are probably being used anyway. So I might as well wait until some day when they’re free.

  • I don’t want to to do anything to help the homeless. It’s probably their own fault anyway. There’s no point in rewarding such behavior.

Is this just a variety of “motivated reasoning” or “confirmation bias” or is there a more precise name for this specific variety?

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