Classification of finite simple groups, an Uncommon card

In mathematics, the classification of finite simple groups is a result of group theory stating that every finite simple group is either cyclic, or alternating, or belongs to a broad infinite class called the groups of Lie type, or else it is one of twenty-six exceptions, called sporadic.
From the Wikipedia article

Rarity: Uncommon
Domain: Science
ATK: 75
DEF: 46
Power: 121
Wikipedia reads a year: 54,000

Power 121 (ATK + DEF): stronger than 60 % of WikiCards cards.

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Classification of finite simple groups quiz: 3 questions

Three questions on the Classification of finite simple groups card, the way WikiCards duels ask them. Pick an answer, the facts are just below.

Find the missing word
The Jordan–Hölder theorem is a more precise way of ______ this fact about finite groups.
Answer
stating. The Jordan–Hölder theorem is a more precise way of stating this fact about finite groups. From the Classification of finite simple groups article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Classification of finite simple groups. Classification of finite simple groups 75 · Cauchy–Riemann equations 71 · Capital market 67 · Calcium sulfate 64 ATK in WikiCards.

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The facts on the card

The card carries these facts from its Wikipedia article.

The proof consists of tens of thousands of pages in several hundred journal articles written by about 100 authors, published mostly between 1955 and 2004.
Simple groups can be seen as the basic building blocks of all finite groups, reminiscent of the way the prime numbers are the basic building blocks of the natural numbers.
The Jordan–Hölder theorem is a more precise way of stating this fact about finite groups.

Why it is Uncommon

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Classification of finite simple groups article was read about 54,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 75 and blocks with 46: each hit it takes is cut by 18 %.

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Credits

Text : Wikipedia, Classification of finite simple groups (revision), CC BY-SA 4.0. Photo : Original: Jakob.scholbach Vector: Pbroks13, CC BY-SA 3.0, Wikimedia Commons.