I'm struggling wit the following: I am reading an essay that states (repeatedly)

I'm struggling wit the following: I am reading an essay that states (repeatedly)

I'm struggling wit the following: I am reading an essay that states (repeatedly) that the following "p, p implies q, therefore q" is valid but that the following: "I judge that p, I judge that p implies q, therefore I judge that q" is "obviously" invalid. There is no explanation; apparently this is supposed to be transparent but I fail to see why this is obviously invalid. Why adding "I judge that" makes it invalid?

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