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Reflecting cardinal

large cardinal number πœ… for which there is a normal ideal I on πœ… such that for every π‘‹βˆˆπΌβΊ, the set of π›Όβˆˆπœ… for which 𝑋 reflects at 𝛼 is in 𝐼⁺

Pronunciation
/rΙ™ΛˆflΙ›ktΙͺΕ‹ ˈkΙ‘rdΙ™nl/
/rΙͺˈflΙ›ktiΕ‹ ˈkɑːdΙͺnΙ™l/
Categories
large cardinal