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| Mirrors > Home > ILE Home > Th. List > ltneii | GIF version | ||
| Description: 'Greater than' implies not equal. (Contributed by Mario Carneiro, 16-Sep-2015.) |
| Ref | Expression |
|---|---|
| lt.1 | ⊢ 𝐴 ∈ ℝ |
| ltneii.2 | ⊢ 𝐴 < 𝐵 |
| Ref | Expression |
|---|---|
| ltneii | ⊢ 𝐴 ≠ 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lt.1 | . . 3 ⊢ 𝐴 ∈ ℝ | |
| 2 | ltneii.2 | . . 3 ⊢ 𝐴 < 𝐵 | |
| 3 | 1, 2 | gtneii 8167 | . 2 ⊢ 𝐵 ≠ 𝐴 |
| 4 | 3 | necomi 2460 | 1 ⊢ 𝐴 ≠ 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2175 ≠ wne 2375 class class class wbr 4043 ℝcr 7923 < clt 8106 |
| 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 710 ax-5 1469 ax-7 1470 ax-gen 1471 ax-ie1 1515 ax-ie2 1516 ax-8 1526 ax-10 1527 ax-11 1528 ax-i12 1529 ax-bndl 1531 ax-4 1532 ax-17 1548 ax-i9 1552 ax-ial 1556 ax-i5r 1557 ax-13 2177 ax-14 2178 ax-ext 2186 ax-sep 4161 ax-pow 4217 ax-pr 4252 ax-un 4479 ax-setind 4584 ax-cnex 8015 ax-resscn 8016 ax-pre-ltirr 8036 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1375 df-fal 1378 df-nf 1483 df-sb 1785 df-eu 2056 df-mo 2057 df-clab 2191 df-cleq 2197 df-clel 2200 df-nfc 2336 df-ne 2376 df-nel 2471 df-ral 2488 df-rex 2489 df-rab 2492 df-v 2773 df-dif 3167 df-un 3169 df-in 3171 df-ss 3178 df-pw 3617 df-sn 3638 df-pr 3639 df-op 3641 df-uni 3850 df-br 4044 df-opab 4105 df-xp 4680 df-pnf 8108 df-mnf 8109 df-ltxr 8111 |
| This theorem is referenced by: 0ne1 9102 1ne2 9242 3dvds 12117 2strbasg 12894 2stropg 12895 plusgndxnmulrndx 12907 basendxnmulrndx 12908 slotsdifipndx 12949 slotsdifplendx 12984 basendxnocndx 12987 plendxnocndx 12988 slotsdifdsndx 12999 slotsdifunifndx 13006 setsmsbasg 14893 2lgslem3 15520 2lgslem4 15522 basendxnedgfndx 15552 struct2slots2dom 15577 apdiff 15920 |
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