Consider the argumentative excerpts below, each of which exhibits a specific vulnerability in its underlying logic. For each argument, select the description that identifies its primary reasoning flaw.
- Paleoclimatologist: Analysis of subfossilized bristlecone pine ring densities from the high-altitude crest of Mount Prometheus reveals an uninterrupted sequence of exceptionally wide growth rings spanning 850 CE to 950 CE. Because annual ring width in this species is directly proportional to mean summer temperature, global temperatures throughout the entire Northern Hemisphere during this century must have been substantially warmer than modern baselines.Draws a sweeping conclusion about an entire global system based on empirical data collected from an isolated, unrepresentative sample.
- Linguist: Cognitive theorists dispute whether early human syntactic competence arose entirely through sudden genomic macro-mutation or developed purely through deliberate cultural invention. Recent neurogenomic evidence decisively demonstrates that no single biological macro-mutation altered ancestral vocal-tract motor pathways. Thus, early syntactic competence must have been exclusively a cultural invention.Presumes that two competing explanations are mutually exclusive and exhaustive without considering other plausible alternatives.
- Urban Planner: Over the past five years, the metropolitan transport authority established thirty kilometers of dedicated bus lanes throughout the central district, and during that exact same five-year timeframe, regional municipal transit ridership climbed by 22 percent. It follows that the creation of dedicated bus lanes was responsible for the marked surge in municipal transit usage.Infers a causal relationship between two concurrent developments based solely on their chronological coincidence, overlooking potential confounding factors.
- Architectural Historian: The municipal preservation code mandates that any designated municipal landmark must maintain its 'original character.' The central railway terminal was designed by a prominent functionalist architect whose core philosophy was that structural utility should evolve dynamically with modern industrial materials. Therefore, substituting lightweight composite panels for the historic cast-iron facade panels faithfully preserves the terminal's original character.Equivocates with respect to a central concept by shifting between its concrete physical meaning and its abstract philosophical meaning.
Cevap
The Paleoclimatologist matches with the unrepresentative sample flaw; the Linguist matches with the false dichotomy/exhaustive alternatives flaw; the Urban Planner matches with the causal inference from coincidence flaw; and the Architectural Historian matches with the equivocation on a central concept flaw.
Each argument contains an identifiable reasoning vulnerability matching one of the abstract descriptors: the paleoclimatologist generalizes hemispherically from an isolated mountain sample; the linguist falsely presumes two hypotheses are exhaustive; the urban planner confuses temporal correlation with direct causation; and the architectural historian equivocates between the physical and philosophical definitions of 'original character.'
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Anahtar Kavram
Logical Flaw Identification and Classification