How about rephrasing it to: “A Modest Proposal is a satirical essay designed to highlight the cruelty and indifference towards the impoverished Irish population. The essay employs a blend of shocking reasoning and the extrapolation of consequences.” This maintains your original intent while using a more polished phrase. Let me know if you need any further suggestions!
You might consider rephrasing “inhumane logic” to something that captures the same idea with a slightly different tone. Here are a few suggestions:
Here’s how you might revise your sentence using one of these alternatives:
“A Modest Proposal is a satirical essay meant to show the cruelty and callousness towards the Irish poor. The essay uses a combination of cold rationale and extrapolating the results.”
Feel free to mix and match or adjust these suggestions to fit your style!