I have been reading through the various questions about Islam and its relationship to Judaism, and about the Rambam's view that Islam is a monotheistic religion and not idolatry and I am wondering: If I were davening and saying the words, but I believe that God communicated with Mohammed, would my davening be valid?

Assume that I still believe in the one God.

  • this looks sorta like the on topic version of judaism.stackexchange.com/q/14461/759 which means that it is a question of halacha and not one of Muslim theology.
    – Double AA
    Commented Jan 6, 2013 at 1:27
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    I don't see why not. Most people I know seem to have a Christian concept of G-d, and nobody seems to stop them from being the Sha"Tz. (sigh)
    – Seth J
    Commented Jan 6, 2013 at 1:39
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    If a person really believes that God communicated with Mohammed and that the Islamic community is the community of God's witnesses about Himself in the world, then they do not agree with the Jewish scriptures or the text in the siddur regarding the covenant that still exists between God and Israel as a light to the nations and as people in an intimate relationship with Him through Torah. When you gather to pray these prayers, you're doing so as THAT community. But someone who believes that Mohammed is the messenger of God will believe that the ummat al-Islamiya holds that function instead.
    – Annelise
    Commented Jan 6, 2013 at 7:13
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    @Ariel, well, for the "simple" stuff, there's "man upstairs" language, long beard, white hair, etc. As for theological stuff, there are more problems with theology generally, than conception of G-d, per se, but, eg, Original Sin, but I was mostly being sarcastic.
    – Seth J
    Commented Jan 6, 2013 at 12:56
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    I have made an edit which, I admit, changes the meaning of the question, but I believe it makes it much more understandable and answerable. If people think that this edit was improper, please revert.
    – Daniel
    Commented Aug 8, 2013 at 15:17

2 Answers 2


As they say in the Yeshivishe world "what shaychus?!" If someone is Mehalel Shabbat does that mean his Tefila isn't valid? Why would you assume if you believed in some random prophet that it would invalidate your Tefila?

Therefor your Tefila would be accepted (unless you went against some of the recommendations of the Gemara regarding the acceptance of prayer).


The Simla Chadasha recounts a discussion regarding shoctim in muslim countries. Seems that the local authorities wanted the shochtim to say Allah HuAkbar (God is great) before slaughtering an animal. The discussion revolves around whether it is a hefsek to say the phrase between the bracha and the shechita and rules that it is not a hefsek. Implicit in this, IMO, is that it is not an idolatrous statement.

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    That doesn't really answer the question. Of course saying Allahu Akbar is not an idolatrous statement. Allah is the Arabic word for God and does not imply anything about God's nature.
    – Daniel
    Commented Aug 8, 2013 at 14:21

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