17 lines
270 B
Text
17 lines
270 B
Text
constant P : Type₁
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constant P_sub : subsingleton P
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attribute P_sub [instance]
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constant q : P → Prop
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section
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example (h₁ h₂ : P) : q h₁ = q h₂ :=
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by simp
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end
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section
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set_option blast.strategy "cc"
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example (h₁ h₂ : P) : q h₁ = q h₂ :=
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by blast
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end
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