Aloha 'oe,
nein, siehe: https://forum.selfhtml.org/?t=187122&m=1243517; setzt man b = -g ein, erhält man in der ersten Zeile auf der linken Seite der Gleichung einen Wert ungleich Null und auf der rechten Null.
Ach richtig, du wolltest auf Äquivalenz hinaus.
Mea culpa.
Gruß, Volker
--
„I conclude that there are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies and the other way is to make it so complicated that there are no obvious deficiencies."
- Tony Hoare
„I conclude that there are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies and the other way is to make it so complicated that there are no obvious deficiencies."
- Tony Hoare