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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 11300 | . 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 2143 class class class wbr 5109 ℝcr 11094 < clt 11238 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-resscn 11152 ax-pre-lttri 11169 ax-pre-lttrn 11170 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-po 5569 df-so 5570 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11240 df-mnf 11241 df-ltxr 11243 |
| This theorem is referenced by: lt0ne0d 11774 prodgt0 12057 elnnnn0b 12543 0nrp 13048 geolim 15920 geolim2 15921 georeclim 15922 geoisum1c 15930 0ringnnzr 20623 dscopn 24730 logcnlem3 26809 jensen 27153 gausslemma2dlem0i 27528 2sqreultblem 27612 2sqreunnltblem 27615 ostth 27803 tgcgr4 28800 clwwlkn0 30379 konigsberg 30608 expgt0b 33161 fldext2chn 34118 signswch 34948 signlem0 34974 poimirlem32 38303 oexpreposd 43083 pell1qrgaplem 43600 relexp01min 44439 rexanuz2nf 46206 sbgoldbaltlem1 48544 ex-gt 50506 |
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