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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 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn 7706 | . 2 | |
2 | 1 | addid1i 7897 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1331 (class class class)co 5767 cc0 7613 c1 7614 caddc 7616 |
This theorem was proved from axioms: ax-mp 5 ax-1cn 7706 ax-0id 7721 |
This theorem is referenced by: bernneq 10405 bcpasc 10505 ef2pi 12875 |
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