The phrase "argument at which" is correct and usable in written English.
It can be used when discussing a specific point or aspect of a debate or discussion.
Example: "The argument at which we differ is the interpretation of the data presented."
Alternatives: "point of contention" or "debate over".
The moral argument regarding at which level Rangers should emerge from next season continues to rage on – routinely in relation to matters which are as yet unproven – but even their own supporters may recognise the positive aspects of demotion to Division Three.
He then clings to them until he is either validated, or until the argument falls apart, at which point he builds a new argument to explain the outside elements that caused the first one to crumble.
This unleashed an argument among the observers, at which point another commission member, a man in jeans and a gray sweater with friendly snowflakes stretched across his belly, decided to put an end to the argument.
As the upper limit on possible expansion speeds increases, the argument becomes stronger and stronger…until the limit becomes infinite, at which point the argument fails, according to the present objection.
"But there's a certain point at which that argument isn't enough," he said.
Previous administrations have done the same: the argument is over the level at which they are set.
The only difference between the orthodox version and the real version of the start of the Scopes case is that the former insists that the thing was the result of a chance meeting between Scopes and three others in the drug store at which an argument started over evolution and Scopes consented to be arrested to test the law.
Following four and a half hours of dense legal argument in London on Monday, at which the BOA challenged the World Anti-Doping Agency's decision to rule it non-compliant with its global anti-doping code, Moynihan said the hearing had gone "very well".
What is crucial about this passage is Hempel's emphasis on the pragmatic consideration of the time at which the argument is presented in relation to the time of occurrence of the explanandum event itself.
The mélange of Schulz's identities were often at the center of the argument at the forum, which was also sponsored by the National Foundation for Jewish Culture, an advocacy group for Jewish culture.
