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The flow lines (or streamlines) of a vector field are the paths followed by a particle whose velocity field is the given vector field. Thus, the vectors in a vector field are tangent to the flow lines. The flow lines of the vector field satisfy the differential equations
and
Solve these differential equations to find the equations of the family of flow lines.
Conclusion
The final part of something, such as an argument or piece of writing, summarizing the main points or outcomes.
Proposition
A statement that can either be true or false but not both.
Argument
A unit of reasoning in which one or more propositions (the premises) purport to provide evidence for the truth of another proposition (the conclusion).
Logic
The study of reasoning and argumentation, focused on understanding the principles and criteria of valid inference and demonstration.
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