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The terms of the first oder partial differential equation get Template:Font
∇→ψr is the Template:Font of ψr
⟨∇→,ψ→⟩ is the Template:Font of ψ→
B→ =def ∇→×ψ→ is the Template:Font of ψ→
E→ =def −∇rψ→−∇→ψr
Template:Font J→ =def ∇→×B→−∇rE→
∇→×E→=−∇rB→
∇rB→=∇→×(∇rψ→)=−∇→×E→
F→=qE→+qv→×B→ is the Template:Font
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