16 lines
376 B
Text
16 lines
376 B
Text
Set: pp::colors
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Set: pp::unicode
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Proved: trans_refl_right
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Proved: trans_refl_left
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Proved: trans_assoc
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Proved: symm_trans
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Assumed: a1
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Assumed: a2
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Assumed: a3
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Assumed: a4
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Assumed: Ax1
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Assumed: Ax2
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Assumed: Ax3
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Assumed: Ax4
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symm (trans (trans (trans (refl a1) (trans (trans Ax1 (refl a2)) Ax2)) (refl a3)) (trans Ax3 Ax4))
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trans (symm Ax4) (symm Ax1)
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