12 lines
645 B
Text
12 lines
645 B
Text
2
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0 + (1 + 0) + (1 + 1) + (1 + 2) + (1 + 3) + (1 + 4) + (1 + 5) + (1 + 6) + (1 + 7) + (1 + 8) + (1 + 9) : ℕ
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user_notation.lean:22:9: error: invalid user-defined notation, must start with `interactive.parse (lean.parser.tk c)` parameter, optionally preceded by `interactive.parse lean.parser.pexpr` parameter
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user_notation.lean:22:9: error: don't know how to synthesize placeholder
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context:
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e₁ : parse lean.parser.pexpr
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⊢ Sort ?
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user_notation.lean:25:9: error: invalid user-defined notation, must return type `lean.parser p`
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user_notation.lean:25:9: error: don't know how to synthesize placeholder
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context:
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e₁ : parse (tk "(")
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⊢ Sort ?
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