I've answered your question a dozen times. Here it is again. There is simply insufficient information from the evidence to conclude that Oswald could not have used the stairs. In fact, the opposite. The evidence places him on the 6th floor at 12:30 and then in the 2nd floor lunchroom a few minutes later. Therefore, we know without any doubt whatsoever that he could have gone down the stairs unnoticed because that is the only possible way he could have gotten from these two points in the known timeframe. The best evidence that a thing is possible is that it happened. That is how evidence and logic work.
Again, no answer from you. Do you accept the only possible implication of your own conclusion that Oswald couldn't have come down the stairs unnoticed or not? Why the struggle to avoid accepting the only conclusion that can be drawn from YOUR own claim? It is very amusing. You go on and on suggesting that you have proved something but then won't acknowledge the only conclusion that can be drawn from your claim having validity. An exercise in self-loathing? Or dim awareness of the absurdity of your claim? Either way it's greatly amusing to watch you run away.
I've answered your question a dozen times. Here it is again. There is simply insufficient information from the evidence to conclude that Oswald could not have used the stairs. In fact, the opposite. The evidence places him on the 6th floor at 12:30 and then in the 2nd floor lunchroom a few minutes later. That's not an answer. It's utter BS and assumption piled on assumption. In the real world, there is
no evidence whatsoever that places Oswald on the 6th floor at 12:30 and no matter how often you repeat this bogus claim, it will never be true. If there was such evidence you would have presented it a long time ago and this discussion would not have continued. There mere fact that you haven't presented this elusive evidence is enough to conclude that it doesn't exist.
Therefore, we know without any doubt whatsoever that he could have gone down the stairs unnoticed because that is the only possible way he could have gotten from these two points in the known timeframe. The best evidence that a thing is possible is that it happened. Hilarious. It's pure speculation based on the unproven and thus false premise that Oswald was in fact on the 6th floor at 12:30.
That is how evidence and logic work.More stupidity. There is only evidence in your imagination and calling it "logic" to "prove" one assumption with another assumption is just pathetic.
The bottom line is that you have no evidence whatsoever that places Oswald on the 6th floor when the shots were fired and/or for how he could have managed to go down the stairs within roughly 75 seconds after the last shot. You are just making stuff up and calling it evidence.