The Guardian for May 30 confirms that western troops are on t he ground in Libya, and have been for some time, working with the rebels.. Some, at least, seem to be British SAS.

That goes way beyond the  UN mandate. So we are almost certainly into a war, and an illegal one.

When I taught military history, I used to talk about the sort of thing that gets talked about on Nov 11, how over a hundred thousand Canadian died in the  twentieth century to, among other things, ensure that we, the Canadian people, would decide when and where to go to war.