Item:Q7770: Difference between revisions
Created a new Item: quadrilateral, polygon with four sides |
Created claim: has quality (P14): Bretschneider's formula (Q7775) |
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| Property / subclass of | |||
| Property / subclass of: polygon / rank | |||
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| Property / subclass of | |||
| Property / subclass of: tetratope / rank | |||
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| Property / has quality | |||
| Property / has quality: Ptolemy's theorem / rank | |||
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| Property / has quality | |||
| Property / has quality: Quadrilateral inequality / rank | |||
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| Property / has quality | |||
| Property / has quality: Bretschneider's formula / rank | |||
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