An international planetary protection protocol for deep-space missions establishes the following rules:
• Any robotic lander targeting a celestial body with confirmed subsurface liquid water must undergo dry heat microbial reduction unless it is assembled entirely within an ultra-clean biobarrier.
• No robotic spacecraft assembled within an ultra-clean biobarrier is permitted to incorporate commercial off-the-shelf microprocessors.
• The planned Callisto Surface Probe is a robotic lander targeting a body with confirmed subsurface liquid water and incorporates commercial off-the-shelf microprocessors.
Statement: The Callisto Surface Probe is required to undergo dry heat microbial reduction.
Cevap: Cevap
Cevap
True
The stimulus dictates that a lander targeting subsurface water must undergo dry heat reduction unless assembled in a biobarrier. By contrapositive logic, containing off-the-shelf microprocessors means the probe was not assembled in a biobarrier. Without that exemption, the mandatory dry heat reduction is triggered, proving the statement is definitively true.
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Anahtar Kavram
Deductive Conditional Chaining and Contrapositive Inference
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