“The Horns of the Altar” and bulls?

[GrandizerII]

Francesca Stavrakopoulou does make a connection. Here's some of what she says:

Like many of his peers across south-west Asia, El was frequently titled ‘Bull’, and he quite naturally expected his divine children to inherit his horns of divinity: ‘May they have horns like bulls, and humps like steers!’ he cries when his two young wives go into labour with his offspring. His older children already bear the bull-horns of heaven. Anat’s are particularly praised by her brother Baal, who excitedly anoints and blesses them: ‘The horns of your power, Girl Anat, the horns of your power let Baal anoint!’ As a storm deity, Baal’s own horns are said to be especially radiant, and closely identified with the lightning bolts flashing about his head as he moves through the skies or thunders in his mountaintop temple. Images of both deities frequently show them wearing horns – as befitting any Levantine god, but especially those associated with the storm of war, or the rains of fertility.

It is no surprise, then, that in the older traditions embedded in the Hebrew Bible, God himself is not only portrayed as the divine Bull, equipped with horns, but fully expects his own progeny to inherit them.
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God’s horns were remembered not only in ancient poems, but in the rituals and iconography of his temples, too. The prophet Zedekiah ben Chenaanah is said to have crafted a pair of iron horns to enact Yahweh’s promise to the kings of Israel and Judah that the neighbouring Aramaeans would be gored to death in battle.

Nope, she's not making the connection as specified in the OP, regardless of the credibility of what she's saying here.

The OP is referring to the horns on the altar as specified in Exodus and elsewhere in the Bible, and then they're pondering the connection from that to bulls of ANE religions. Not horns in general, but the horns that were on those altars.

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Actually, OP, have you stumbled upon this one already?

https://digitalcommons.andrews.edu/cgi/v...ntext=auss

Haven't fully read it, just skimmed. Give it a read and see what you get.