Most, if not all of your "proof texts" have been addressed on this forum:
http://www.jesus-christ-forums.com/home/viewforum.php?f=172
Deuteronomy 6:4
4 "Hear, O Israel: The LORD our God, the LORD is one! NKJV
Numbers 23:19
19 "God is not a man, that He should lie,
Nor a son of man, that He should repent.
Has He said, and will He not do? NKJV
John 17:3-4
3 And this is eternal life, that they may know You, the only true God, and Jesus Christ whom You have sent. NKJV
1 st Corinthians 8:5-6
5 For even if there are so-called gods, whether in heaven or on earth (as there are many gods and many lords), 6 yet for us there is one God, the Father, of whom are all things, and we for Him; and one Lord Jesus Christ, through whom are all things, and through whom we live. NKJV
Now, you can accept and promote interpretations of Scripture that deny the truth of Scripture, but I will take the Lord's and Paul's words over those of men any day of the week, especially when men pull Scripture out of context to support a manmade doctrine.