unsupported premises

[/ˌʌnsəˈpɔːrtɪd ˈpremɪsɪz/]
noun phrasepl: N/A (plural in form)
premissas não fundamentadas
1. Statements or propositions used as the basis for an argument, conclusion, or belief that lack adequate evidence, proof, or logical support
The lawyer argued that the defendant's case relied on unsupported premises that contradicted the evidence presented.
O advogado argumentou que o caso do réu se baseava em premissas não fundamentadas que contradiziam as provas apresentadas.
2. In logic or philosophy, foundational claims made without sufficient justification or backing
His theory collapsed because it was built on unsupported premises about human nature.
Sua teoria desabou porque era construída sobre premissas não fundamentadas sobre a natureza humana.
3. Assumptions or starting points in an argument that have not been validated or proven
The study was criticized for relying on unsupported premises regarding the correlation between the variables.
O estudo foi criticado por se basear em premissas não fundamentadas sobre a correlação entre as variáveis.
This term is frequently used in Brazilian and American academic, legal, and philosophical discourse to critique weak arguments. In law schools and courtrooms in both countries, identifying unsupported premises is a critical skill. The phrase reflects a shared emphasis on evidence-based reasoning in English-speaking and Portuguese-speaking academic traditions.
NYC Slang
BS claims; groundless talk
Synonyms / Sinônimos
unsubstantiated assumptionsunfounded claimsbaseless propositionsunproven assumptionsunjustified premisesgroundless premises
Antonyms / Antônimos
supported premiseswell-founded assumptionsproven propositionsjustified claimssubstantiated premises

Regional Variations

General Brazilian Portuguese
premissas não fundamentadas
Standard academic and legal usage
Brazil - Academic
premissas infundadas
Common in philosophy and critical thinking contexts
Portugal
pressupostos não fundamentados
Alternative phrasing more common in European Portuguese
Brazil - Colloquial
premissas sem base
More informal usage in casual discourse

Related Words

fallacylogical fallacycircular reasoningburden of proofevidenceargumentassumptioninference

Related Idioms & Phrases

built on shaky ground
castles in the air
pie in the sky
without a leg to stand on
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