Where in the EBT is sammā samādhi defined as 4 jhānas?

I can relate to what you wrote. When in the past I would often think “Why don’t we have more exact definitions?” now I often think that the Buddha was not interested in exhaustive definitions. I mean he was defining all the time (“three things”, “five things”… …) but it was at that spot, for that specific situation and not meant for eternity and out of context. A definition can be true and purposeful and overlapping with other definitions made at another time.

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