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| Mirrors > Home > MPE Home > Th. List > ltnrd | Structured version Visualization version GIF version | ||
| Description: 'Less than' is irreflexive. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| ltd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| Ref | Expression |
|---|---|
| ltnrd | ⊢ (𝜑 → ¬ 𝐴 < 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | ltnr 11418 | . 2 ⊢ (𝐴 ∈ ℝ → ¬ 𝐴 < 𝐴) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → ¬ 𝐴 < 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∈ wcel 2146 class class class wbr 5106 ℝcr 11212 < clt 11356 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7761 ax-resscn 11270 ax-pre-lttri 11287 ax-pre-lttrn 11288 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-po 5563 df-so 5564 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6501 df-fun 6549 df-fn 6550 df-f 6551 df-f1 6552 df-fo 6553 df-f1o 6554 df-fv 6555 df-er 8731 df-en 8988 df-dom 8989 df-sdom 8990 df-pnf 11358 df-mnf 11359 df-ltxr 11361 |
| This theorem is used by: zbtwnre 13086 fzonel 13821 rlimuni 15732 climuni 15734 prmreclem6 17114 ivthlem2 25788 ivthlem3 25789 iundisj 25884 ovolioo 25904 itgsplitioo 26173 iundisjf 33240 ubico 33423 iundisjfi 33444 erdszelem4 36083 poimirlem1 38682 poimirlem27 38708 aks4d1p5 43273 unitscyglem4 43391 mullt0b2d 43691 sqrtcval 44784 limclner 46803 nnmul2 48542 |
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