Item:Q7881: Difference between revisions
Created a new Item: midsquare trapezoid, isosceles trapezoid with orthogonal diagonals |
Created claim: subclass of (P1): isosceles trapezoid (Q7877) |
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| Property / subclass of | |||
| Property / subclass of: midsquare quadrilateral / rank | |||
Normal rank | |||
| Property / subclass of | |||
| Property / subclass of: isosceles trapezoid / rank | |||
Normal rank | |||