-6 points
That’s not a comparison, it’s an equation. A comparison identifies a difference. An equation asserts similarity.
1 point
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I think you mean it’s a metaphor. An equation is a mathematical thing and doesn’t make sense in discourse, unless you mean equivalents but that also doesn’t make sense in the context.
0 points
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Equations exist in discourse. Watch, I’ll make an equation, which is to say I’ll equate two things:
Childish Gambino is Donald Glover.
Boom. That’s an equation. I equated Childish Gambino with Donald Glover. I didn’t compare them, because I didn’t say they’re different. I said they’re the same, which is equating them.