http://abrahamsfaith.blogspot.com "Let's say two people have the same boss. Just because they disagree as to the plans of the boss doesn't mean that they have two different bosses. And just because perhaps they disagree as to the boss's will doesn't mean that they each work for different bosses. Disagreements as to the plans, desires, or doings of the boss doesn't equate to disagreement as to the essence of [the mahut of] who the boss is.
Muslims, Jews, and the original followers of Jesus (who said that the greatest commandment is 'Hear O' Israel the L-RD is our G-d, the L-RD Alone / the L-RD is One.') ...for all 3 of these, the Creator is One absolute existence. He is not subject to change, neither shares His essence or divinity with another, nor does He have origin in something else, nor does He multiply His divinity, and His Singularity is Incorporeal and Incomparable to any other."
Deut. 32:29 "...there is no [other] god with Me." "...leth alah bar mini" ("...there is no Alah other than Me.")