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Mirrors > Home > ILE Home > Th. List > 1p0e1 | Unicode version |
Description: 1 + 0 = 1. (Contributed by David A. Wheeler, 8-Dec-2018.) |
Ref | Expression |
---|---|
1p0e1 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn 6977 |
. 2
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2 | 1 | addid1i 7155 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 7 ax-1cn 6977 ax-0id 6992 |
This theorem is referenced by: bernneq 9369 |
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