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Mirrors > Home > ILE Home > Th. List > 00id | Unicode version |
Description: is its own additive identity. (Contributed by Scott Fenton, 3-Jan-2013.) |
Ref | Expression |
---|---|
00id |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0cn 7111 | . 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-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-4 1440 ax-17 1459 ax-ial 1467 ax-ext 2063 ax-1cn 7069 ax-icn 7071 ax-addcl 7072 ax-mulcl 7074 ax-i2m1 7081 ax-0id 7084 |
This theorem depends on definitions: df-bi 115 df-cleq 2074 df-clel 2077 |
This theorem is referenced by: negdii 7392 addgt0 7552 addgegt0 7553 addgtge0 7554 addge0 7555 add20 7578 recexaplem2 7742 crap0 8035 iap0 8254 decaddm10 8535 10p10e20 8571 iser0 9471 bcpasc 9693 abs00ap 9948 bezoutr1 10422 1kp2ke3k 10562 |
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