On Wed, Jan 22, 2025 at 4:32 PM Alan Grayson <[email protected]> wrote:
> > > On Wednesday, January 22, 2025 at 2:20:32 PM UTC-7 Jesse Mazer wrote: > > On Wed, Jan 22, 2025 at 4:08 PM Alan Grayson <[email protected]> wrote: > > On Wednesday, January 22, 2025 at 2:00:25 PM UTC-7 Jesse Mazer wrote: > > Brent hasn't chosen to answer your question, but my guess would be he just > means if you pick some specific event where part of the car is inside the > garage, like the event A of the back of the car passing the garage entry > door, in the garage frame the car is fully inside the garage "at the same > time" as event A (using the garage frame definition of other events > simultaneous with A), while in the car frame the front of the car is > already well past the exit of the garage "at the same time" as event A > (using the car frame definition of other events simultaneous with A). He > obviously isn't disputing the notion that the two frames have different > definitions of simultaneity since he made this point many times in his > comments. > > Jesse > > > I go by what he writes, not how someone interprets his words. AG > > > So are you just asking an open-ended question about what he means by "at > the same time" without imposing your own *interpretation* that this > necessarily must conflict with the idea you stated at the beginning, "the > assumption that fitting and not fitting of car in garage, from frame of > garage and frame of car do not happen at the same time"? You allow for the > possibility that his statement and your statement may just be using the > informal phrase "at the same time" in different ways, without an actual > substantive conflict in ideas? > > Jesse > > > Whille I am open to any possibility, it's invariably alleged that the > disagreement about simultaneity means the contrary events don't occur at > the same time, and this allegedly solves the problem. So a good teacher > would try to resolve his words without resorting to the "Heavyside" cop > out. It's ironic that you, a stickler for precision in words, let this > slide so easily. AG > I'm a stickler about words only when I think unclear phrases lead to ambiguity about meaning, but since Brent knows his SR and emphasized many times that the two frames have different definitions of simultaneity I don't think there's any real possibility he was going back on that with these words, although I might criticize his choice of words insofar as they can be potentially misleading to someone who isn't already clear on this stuff. Jesse -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/everything-list/CAPCWU3KBaEvHWR3gdr3qqnFD_1Y3oHqZQia4eNSGE8RqLa-UWg%40mail.gmail.com.
