Yes it's the EJish subtype, but it's not an either/or kind of thing. There are 3 elements involved in each subtype, not just the two and they work together. Se is the 3rd one for dominant. So, it's not like he's saying that it's just one of the 3 that he's seeing, it's Te, Se, and Fe - all three of them. It's the same result whether using element accentuations or going from the dichotomy side, but you're not calling out an individual element. In other words, whether he's seeing more Se, or more Te or even more Fe can't be determined strictly from the given subtype. All that can be said is that he saw contact (going towards challenges) and terminal (finishing what you start) - with the description sounding quite similar in my opinion to psychosopy will:
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Yeah, I get that, and I see where he was able to see what he defines as Te. I agree that what he defines as Te is definitely present in what I said. There are other ways to define Te and Ti however. For example, using the element definitions both Te and Ti are external elements, meaning that both operate objectively, using real-world measures. Both are concrete, neither are abstract. Te is object focused, and Ti is field focused, Te is dynamic and Ti is static but both are external elements.
I noticed that Timur does use the static/dynamic dichotomy in his definition, but not the external/internal distinction, and instead takes a more Reinin-like or Kalinauskas steering wheel approach to them with subjective/objective instead. I'm not going to argue with his definitions, because they're the ones he wants to use, and there's a logic to it. But it means that it's not going to translate perfectly when someone uses a different way of defining them. Or if they use a different kind of system.