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Mirrors > Home > ILE Home > Th. List > addid1i | Unicode version |
Description: is an additive identity. (Contributed by NM, 23-Nov-1994.) (Revised by Scott Fenton, 3-Jan-2013.) |
Ref | Expression |
---|---|
mul.1 |
Ref | Expression |
---|---|
addid1i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mul.1 | . 2 | |
2 | addid1 7246 | . 2 | |
3 | 1, 2 | ax-mp 7 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1284 wcel 1433 (class class class)co 5532 cc 6979 cc0 6981 caddc 6984 |
This theorem was proved from axioms: ax-mp 7 ax-0id 7084 |
This theorem is referenced by: 1p0e1 8154 9p1e10 8479 num0u 8487 numnncl2 8499 decrmanc 8533 decaddi 8536 decaddci 8537 decmul1 8540 decmulnc 8543 |
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