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syllogism

Meaning

A form of reasoning in which a conclusion is drawn from two given or assumed propositions (premises).

Examples by difficulty

Basic: Simple, everyday vocabulary — the easiest to read.

He looked at the two facts. "All dogs bark," he thought, then, "Fido is a dog." He felt a certainty bloom. From those two starting points, a conclusion simply had to be true. This way of figuring things out, this syllogism, made perfect sense.

The old lighthouse keeper squinted at the storm map. "If this gale keeps up," he muttered, tracing a finger across the isobar lines, "the fishing boats won't be back tonight. And if they're not back, the market stall will be empty tomorrow." It was a simple syllogism, a clear path from what he saw to what would be.

He stared at the cracked beaker. *All known bio-luminescent fungi glow. This one is clearly dead, its light gone.* It was a simple syllogism, but it meant his research, his whole year's work, was over. The air hung heavy with failure.

If all cats love naps, and Mittens is a cat, then Mittens surely loves naps. This kind of thinking, a syllogism, helps us figure out stuff. It's like a logical puzzle where two clues lead to a funny truth, like Mittens snoring loudly on the couch again.

My pet rock, Bartholomew, is undeniably brilliant. He's silent (premise one), and silent things are wise (premise two). Therefore, by a clever syllogism, Bartholomew is wise. He also enjoys staring at walls, which I deduce is a profound act of deep thought.

Normal: Standard, everyday language.

He paced the floor, frustrated. "If all men are mortal," he muttered, "and Socrates is a man, then he must die. This whole syllogism is giving me a headache, but it's undeniable." He slumped into a chair, the logic inescapable.

The flickering lantern cast long shadows as Elara traced the ancient runes. Her mentor’s voice echoed, explaining how the prophecy’s two parts, when joined, *always* pointed to the same outcome. It was a powerful syllogism, each premise undeniably true, leaving no room for doubt about the coming storm.

The grizzled prospector muttered, "The ore vein runs east, and this outcrop points east. Therefore, the rich pocket must be down this tunnel." His weathered face held a grim hope, a simple syllogism guiding his weary steps into the dusty darkness.

My cat, Bartholomew, is a master of deduction. He operates on a flawless syllogism: all humans who open the fridge must have tuna. Therefore, if I meow at the fridge door, tuna will magically appear. It's a compelling argument, even if the evidence is a bit... fishy.

My pet rock, Bartholomew, firmly believes that if all sentient dust bunnies are plotting world domination, and Bartholomew is a sentient dust bunny, then the inevitable conclusion is that I should start stockpiling tiny, fluffy hats. This entire chain of thought, from fluffy doom to preemptive headwear, is a classic syllogism.

Advanced: Richer vocabulary that stretches an upper-level reader.

He stared at the data. If all cats are mammals, and Mr. Whiskers is a cat, then it followed with absolute certainty that Mr. Whiskers was a mammal. This simple syllogism, a conclusion drawn from two assumed truths, was the only comfort he found in the chaos.

The old mechanic, grease smudged across his brow, tapped a dirty finger on the blueprint. "See?" he grumbled, pointing. "This entire valve assembly is flawed. If all these specific pressure regulators fail, and this one is undoubtedly a specific pressure regulator, then this whole blasted thing *has* to fail." It was a sound syllogism; the conclusion was undeniable.

The old alchemist, hunched over his sputtering alembic, traced a line in the dust. "All metals expand with heat," he rasped, pointing to a glowing crucible. "This slag is metal." A puff of acrid smoke rose. "Therefore," he concluded, his voice trembling with anticipation, "this slag will expand." It was a perfect syllogism, a chain of logic he hoped would lead to gold.

My cat, Bartholomew, insists that all tuna is secretly magic. His syllogism is impeccable: if tuna makes him purr (premise 1), and purring is undeniable proof of enchantment (premise 2), then therefore, the tuna must be bewitched. His logical leaps, while flawed, are always amusing.

The esteemed philosopher, Bartholomew "Barty" Buttercup, declared, "All sentient tea cozies yearn for gentle warmth. My favorite cozy is demonstrably sentient." This brilliant syllogism, concluding that Barty must therefore toast his cozy, was met with uproarious applause, though the fuzzy logic was somewhat alarming.

Challenging: Rare, high-register vocabulary for serious word lovers.

He presented his case with irrefutable logic. First, he declared, all mammals are sentient. Then, he pointed to the defendant: "My client is a mammal." The inescapable conclusion, a perfect syllogism, hung heavy in the air, leaving the jury no recourse.

The prospector surveyed the barren strata, his hopes dwindling. If all fossilized amber from this geological epoch contains iridescent inclusions, and this specific sample *is* fossilized amber from that epoch, then logic dictates his painstaking efforts will yield a glittering prize. This syllogism, a chain of reasoning from presumed truths, offered a sliver of solace in the desolate expanse.

The grizzled prospector stared at the barren rock. "If this quartz vein terminates here," he muttered, his voice raspy, "and all adjacent strata are barren, then this entire ridge must be devoid of payable ore." This melancholic syllogism, a grim deduction from two stark premises, sealed his hopes for the season.

My roommate's unwavering belief that all squirrels hoard existential angst, a postulate he derived from observing their frantic nut-burying, led to a truly preposterous syllogism. He concluded, with grave solemnity, that their frantic scurrying was a desperate attempt to outrun the crushing ennui of their tiny, furry lives.

The esteemed professor, his visage a veritable tapestry of exasperated wrinkles, articulated the ensuing syllogism: "Premise one: All chinchilla taxidermists harbor an insatiable predilection for artisanal pickling brine. Premise two: Bartholomew, our diminutive intern, currently imbibes said brine with prodigious gusto. Therefore," he declared with a dramatic flourish, "Bartholomew must assuredly be a chinchilla taxidermist!"

Difficulty

Challenging — Rare, high-register words for serious word lovers.

Appears in

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