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| Mirrors > Home > MPE Home > Th. List > ltnri | Structured version Visualization version GIF version | ||
| Description: 'Less than' is irreflexive. (Contributed by NM, 18-Aug-1999.) |
| Ref | Expression |
|---|---|
| lt.1 | ⊢ 𝐴 ∈ ℝ |
| Ref | Expression |
|---|---|
| ltnri | ⊢ ¬ 𝐴 < 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lt.1 | . 2 ⊢ 𝐴 ∈ ℝ | |
| 2 | ltnr 11304 | . 2 ⊢ (𝐴 ∈ ℝ → ¬ 𝐴 < 𝐴) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ ¬ 𝐴 < 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 ∈ wcel 2149 class class class wbr 5113 ℝcr 11098 < clt 11242 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-resscn 11156 ax-pre-lttri 11173 ax-pre-lttrn 11174 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-po 5570 df-so 5571 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-er 8693 df-en 8943 df-dom 8944 df-sdom 8945 df-pnf 11244 df-mnf 11245 df-ltxr 11247 |
| This theorem is referenced by: lt0ne0d 11778 prodgt0 12061 elnnnn0b 12547 0nrp 13052 geolim 15923 geolim2 15924 georeclim 15925 geoisum1c 15933 0ringnnzr 20608 dscopn 24698 logcnlem3 26774 jensen 27118 gausslemma2dlem0i 27493 2sqreultblem 27577 2sqreunnltblem 27580 ostth 27768 tgcgr4 28765 clwwlkn0 30319 konigsberg 30548 expgt0b 33101 fldext2chn 34062 signswch 34892 signlem0 34918 poimirlem32 38190 oexpreposd 42972 pell1qrgaplem 43491 relexp01min 44330 rexanuz2nf 46097 sbgoldbaltlem1 48432 ex-gt 50390 |
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