Examlex
determine whether the given proposition is a logical truth or not. If it is not a logical truth, select a false valuation.
-[(W X) ≡ (Y Z) ] ⊃ [(W • ∼Y) ⊃ Z]
Double Hulls
A ship design feature where the vessel's bottom and sides have two layers, improving buoyancy and reducing the risk of spills or sinking.
Ecologically Sensitive
An area that is identified as being sensitive to changes in environmental conditions, requiring protection or special management to sustain its biodiversity and ecological processes.
Nonpoint Source
Pollution that comes from many diffuse sources rather than a single, identifiable source, often affecting water quality.
Water Pollution
The contamination of water bodies (e.g., lakes, rivers, oceans, aquifers) with substances harmful to life, which can be detrimental to plants, animals, and human health.
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