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This is a pseudo-sufficient assumption question.
... why can't a sufficient assumption make the context ...
The obvious missing sufficient assumption is "David is a ... are successful" and both sufficient conditions bring in known facts ...
When do I know I should rely on intuition before attempting to diagram everything?
When do I know this formulaic A->B method 100% works?
I don't know how to be selective about which approach to take with complete confidence without ...