{"component":{"type":17,"accent_color":7315445,"components":[{"type":10,"content":"-# WikiRNG · Roll of 10/27/2026 · by [rchase999](https://wikirng.com/u/rchase999)"},{"type":10,"content":"## [Petr Vopěnka](https://wikirng.com/roll/5FWM39)\n*Czech mathematician (1935-2015)*"},{"type":10,"content":">>> Petr Vopěnka (16 May 1935 – 20 March 2015) was a Czech mathematician. In the early seventies, he developed alternative set theory (i.e. alternative to the classical Cantor theory), which he subsequently developed in a series of articles and monographs."},{"type":14,"divider":true,"spacing":1},{"type":10,"content":"### 🟦 Obscure · 163,939 SP\n-# Top 10%"},{"type":10,"content":"*he subsequently developed alternative set theory 2015) (16 monographs was*"},{"type":14,"divider":true,"spacing":1},{"type":10,"content":"🟦 🤔 **Deep Thinker** · Obscure · +51,309 SP\n-# A philosopher.\n🟦 ➗ **Mathematician** · Obscure · +50,639 SP\n-# A mathematician.\n🟦 📜 **Historian** · Obscure · +18,948 SP\n-# A historian.\n🟩 🎭 **Polymath** · Notable · +6,874 SP\n-# Has 5+ occupations on Wikidata.\n🟩 🧯 **Citation Error** · Notable · +6,437 SP\n-# Shows a red citation error.\n🟩 📑 **JSTOR** · Notable · +3,586 SP\n-# Links to JSTOR.\n-# +33 more badges"},{"type":14,"divider":true,"spacing":1},{"type":1,"components":[{"type":2,"style":5,"label":"View roll","url":"https://wikirng.com/roll/5FWM39"},{"type":2,"style":5,"label":"Read on Wikipedia","url":"https://en.wikipedia.org/wiki/Petr_Vop%C4%9Bnka"}]},{"type":10,"content":"-# Article text from Wikipedia, CC BY-SA 4.0"}]}}