What content?
]]>xRx
if xRy then yRx
if xRy and yRz then xRz
So logical equivalence (“if and only if” essentially) is an equivalence, as is equality (“=” in the usual sense).
I think the thing in the prose is supposed to be an equation, but really given the context equivalence will do, as equality is a metaphor for what the guy is saying.
]]>Not that I think it’s a valid argument, you understand. I just think it’d be funny.
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