OK, heartbomb. The Qur'an is the world of Allah. If anyone abrogates or denies any one of Allah's commands, as in the Qur'an, is he blaspheming Allah? And is such a person an apostate?
I've got to go shopping in a few minutes so I'll be back later! Hope you can give me a definitive answer and not vague run-around. I think that is straight enough a question for you?
Actually, elle for practising Muslim, apostate is a very heavy word. And they generally don't throw it just like that. Denying some comand etc. constitutes sin, some minor sins, some major sins. Like some people don't pray five times a day, or few don't fast in Ramadhan. According to Muslims, they are sinning but they are not apostate. Denying existence of Allah, denying status of Mohammed as a prophet etc. will make the person as apostate.
The worst Three sins in islam are Murder (killing the wrong person), Adultery and Apostasy (and everything leading to apostasy).
* Murder you can buy pay your way out of it in some conditions.
* For Adultery you are screwed. Koran recommends flogging but muhammad stoned. So flogging is now considered a lower bound punishment.
* For apostasy/denial of allah/denial of nabi, koran stated that allah can forgive any sin except this one.
Muslims are brought up believing that monotheism is more important then air, and that the islamic god is the only option. Even though some grow not to believe the ruse, they still do not throw the word lightly and they often refuse to commit to the step of apostasy.