On 09/06/2019 22:03, Jon P wrote:
This is the case where the right side of the triangle is vertical
Actually what you describe works fine even if the "right" side of the triangle is not vertical! -- You received this message because you are subscribed to the Google Groups "Metamath" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/metamath/1eefa10b-a8dd-7494-467f-bacbf647deb0%40gmx.net.
