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| Mirrors > Home > ILE Home > Th. List > leadd2i | Unicode version | ||
| Description: Addition to both sides of 'less than or equal to'. (Contributed by NM, 11-Aug-1999.) |
| Ref | Expression |
|---|---|
| lt2.1 |
|
| lt2.2 |
|
| lt2.3 |
|
| Ref | Expression |
|---|---|
| leadd2i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lt2.1 |
. 2
| |
| 2 | lt2.2 |
. 2
| |
| 3 | lt2.3 |
. 2
| |
| 4 | leadd2 8541 |
. 2
| |
| 5 | 1, 2, 3, 4 | mp3an 1350 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2180 ax-14 2181 ax-ext 2189 ax-sep 4179 ax-pow 4235 ax-pr 4270 ax-un 4499 ax-setind 4604 ax-cnex 8053 ax-resscn 8054 ax-1cn 8055 ax-icn 8057 ax-addcl 8058 ax-addrcl 8059 ax-mulcl 8060 ax-addcom 8062 ax-addass 8064 ax-i2m1 8067 ax-0id 8070 ax-rnegex 8071 ax-pre-ltadd 8078 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ne 2379 df-nel 2474 df-ral 2491 df-rex 2492 df-rab 2495 df-v 2779 df-dif 3177 df-un 3179 df-in 3181 df-ss 3188 df-pw 3629 df-sn 3650 df-pr 3651 df-op 3653 df-uni 3866 df-br 4061 df-opab 4123 df-xp 4700 df-cnv 4702 df-iota 5252 df-fv 5299 df-ov 5972 df-pnf 8146 df-mnf 8147 df-xr 8148 df-ltxr 8149 df-le 8150 |
| This theorem is referenced by: decle 9574 |
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