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# Solutions for Chapter 1.4: Validity, Truth, Soundness, Strength, Cogency

## Full solutions for A Concise Introduction to Logic | 12th Edition

ISBN: 9781285196541

Solutions for Chapter 1.4: Validity, Truth, Soundness, Strength, Cogency

Solutions for Chapter 1.4
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##### ISBN: 9781285196541

This expansive textbook survival guide covers the following chapters and their solutions. A Concise Introduction to Logic was written by and is associated to the ISBN: 9781285196541. This textbook survival guide was created for the textbook: A Concise Introduction to Logic, edition: 12. Chapter 1.4: Validity, Truth, Soundness, Strength, Cogency includes 20 full step-by-step solutions. Since 20 problems in chapter 1.4: Validity, Truth, Soundness, Strength, Cogency have been answered, more than 34365 students have viewed full step-by-step solutions from this chapter.

Key Science Terms and definitions covered in this textbook
• Absolute magnitude

The apparent brightness of a star if it were viewed from a distance of 10 parsecs (32.6 light-years). Used to compare the true brightness of stars.

• Beach

An accumulation of sediment found along the landward margin of the ocean or a lake.

• Cross-bedding

Structure in which relatively thin layers are inclined at an angle to the main bedding. Formed by currents of wind or water.

• Esker

Sinuous ridge composed largely of sand and gravel deposited by a stream flowing in a tunnel beneath a glacier near its terminus.

• Fault scarp

A cliff created by movement along a fault. It represents the exposed surface of the fault prior to modification by weathering and erosion.

• Fiord

A steep-sided inlet of the sea formed when a glacial trough was partially submerged.

• Flood basalts

Flows of basaltic lava that issue from numerous cracks or fissures and commonly cover extensive areas to thicknesses of hundreds of meters.

• Oceanic zone

The marine-life zone beyond the continental shelf.

• Ore deposit

A naturally occurring concentration of one or more metallic minerals that can be extracted economically.

A dry area on the lee side of a mountain range. Many middle-latitude deserts are of this type.

• Rectangular pattern

A drainage pattern characterized by numerous right-angle bends that develops on jointed or fractured bedrock.

• Rift zone

A region of Earthâ€™s crust along which divergence is taking place.

• Seismic waves

A rapidly moving ocean wave generated by earthquake activity capable of inflicting heavy damage in coastal regions.

• Source region

The area where an air mass acquires its characteristic properties of temperature and moisture.

• Spiral galaxy

A flattened, rotating galaxy with pinwheel-like arms of interstellar material and young stars winding out from its nucleus.

• Stream valley

The channel, valley floor, and sloping valley walls of a stream.

• Till

Unsorted sediment deposited directly by a glacier.

• Volcanic bomb

A streamlined pyroclastic fragment ejected from a volcano while molten.

• Volcanic neck

An isolated, steep-sided, erosional remnant consisting of lava that once occupied the vent of a volcano.

• Weather

The state of the atmosphere at any given time.

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