1 (P $\lor$ ∼R) ⊃ (P ⊃ Q)
2 $\lor$

question 161

Multiple Choice

1. (P $\lor$ ∼R) ⊃ (P ⊃ Q)
2. P $\lor$ ∼R
3. P
4. Q ⊃ ∼S
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

• A) R
• B) ∼R
• C) P ⊃ Q
• D) Q
• E) ∼S

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Definitions:

Topography

The arrangement of natural and artificial physical features of an area, including its relief, and the position of these features.

Groundwater Flow

The movement of groundwater through the Earth's subsurface, driven primarily by gravity and pressure differentials.

Vertical Exaggeration

The method of representing the topographical relief on maps and diagrams by increasing the elevation scale relative to the horizontal scale.

Groundwater Divide

An area elevated between two groundwater basins, directing the flow of subsurface water in opposite directions.