2014-10-20 15:31:16 +00:00
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-- BEGINWAIT
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-- ENDWAIT
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-- BEGININFO
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-- SYMBOL|7|15
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=
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-- ACK
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-- TYPE|7|17
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ℕ
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-- ACK
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-- IDENTIFIER|7|17
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a
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-- ACK
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-- TYPE|7|19
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ℕ → ℕ → ℕ
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-- ACK
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-- SYMBOL|7|19
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+
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-- ACK
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-- TYPE|7|21
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ℕ
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-- ACK
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-- IDENTIFIER|7|21
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c
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-- ACK
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-- TYPE|7|23
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ℕ → ℕ → ℕ
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-- ACK
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-- SYMBOL|7|23
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+
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-- ACK
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-- TYPE|7|25
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ℕ
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-- ACK
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-- IDENTIFIER|7|25
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b
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-- ACK
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-- SYMBOL|7|31
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(
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-- ACK
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-- SYMBOL|7|32
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!
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-- ACK
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-- TYPE|7|33
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a + c + b = a + (c + b)
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-- ACK
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-- IDENTIFIER|7|33
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2015-10-14 19:27:09 +00:00
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algebra.add.assoc
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2014-10-20 15:31:16 +00:00
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-- ACK
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-- TYPE|7|43
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a + c + b = a + (c + b) → a + (c + b) = a + c + b
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-- ACK
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2015-10-14 01:35:16 +00:00
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-- OVERLOAD|7|43
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eq.symm #0
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--
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inv #0
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-- ACK
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2014-10-20 15:31:16 +00:00
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-- SYMBOL|7|43
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⁻¹
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-- ACK
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2015-10-14 01:35:16 +00:00
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-- IDENTIFIER|7|43
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eq.symm
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-- ACK
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2014-10-20 15:31:16 +00:00
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-- ENDINFO
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