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a(b|c)Distributive law: a(b|c) = ab|acCombinedFormal RE✨ Emoji Combos

Concatenation distributes over alternation. a(b|c) ≡ ab|ac. This identity is used constantly to simplify or convert formal REs.

✓ Accepts
abac
✗ Rejects
abcbcabc
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