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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 8385 | . 2 ⊢ 𝐵 ≠ 𝐴 |
| 4 | 3 | necomi 2499 | 1 ⊢ 𝐴 ≠ 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2205 ≠ wne 2414 class class class wbr 4114 ℝcr 8142 < clt 8324 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-cnex 8234 ax-resscn 8235 ax-pre-ltirr 8255 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-xp 4760 df-pnf 8326 df-mnf 8327 df-ltxr 8329 |
| This theorem is referenced by: 0ne1 9321 1ne2 9461 hashtpglem 11243 3dvds 12575 2strbasg 13417 2stropg 13418 plusgndxnmulrndx 13430 basendxnmulrndx 13431 slotsdifipndx 13472 slotsdifplendx 13507 basendxnocndx 13510 plendxnocndx 13511 slotsdifdsndx 13522 slotsdifunifndx 13529 setsmsbasg 15470 2lgslem3 16100 2lgslem4 16102 basendxnedgfndx 16132 struct2slots2dom 16159 usgrexmpldifpr 16370 konigsbergiedgwen 16605 konigsberglem1 16609 konigsberglem2 16610 konigsberglem3 16611 konigsberglem5 16613 apdiff 16958 |
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