Putanga 1: kei reira te whetu e tohu ana i te rōpū takirua taurangi. I tua atu, ina `` G'' he mutunga, i reira ko te isomorphism unnatural Putanga 2: I reira ka karanga te whetū i te rōpū takirua taurangi, he isomorphism kore noa iho ina he mutunga te `` G''. Pātai: He ōrite te tikanga o te rerenga 1 me te rerenga 2? He Ae, he Kore rānei?
Āe, āe