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BIG-Bench Hard / Here comes a perfectly valid argument: First, being a rare consumer of Nubian…

Problem

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input

"Here comes a perfectly valid argument: First, being a rare consumer of Nubian Heritage soap is necessary for being an owner of a Lever soap. Second, being an infrequent user of American Crew shampoo is sufficient for being a rare consumer of Nubian Heritage soap. In consequence, every infrequent user of American Crew shampoo is an owner of a Lever soap."
Is the argument, given the explicitly stated premises, deductively valid or invalid?
Options:
- valid 
- invalid

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Source and history

task_id
ba401520-ce16-56e7-aba1-d47f6b00ffb8
task_key
formal~5ffallacies--main--ba401520-ce16-56e7-aba1-d47f6b00ffb8
task_revision_id
1
config / split
formal_fallacies / main

Official source

initial import