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| Mirrors > Home > MPE Home > Th. List > eliccxr | Structured version Visualization version GIF version | ||
| Description: A member of a closed interval is an extended real. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| eliccxr | ⊢ (𝐴 ∈ (𝐵[,]𝐶) → 𝐴 ∈ ℝ*) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iccssxr 13358 | . 2 ⊢ (𝐵[,]𝐶) ⊆ ℝ* | |
| 2 | 1 | sseli 3931 | 1 ⊢ (𝐴 ∈ (𝐵[,]𝐶) → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 (class class class)co 7368 ℝ*cxr 11177 [,]cicc 13276 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-1st 7943 df-2nd 7944 df-xr 11182 df-icc 13280 |
| This theorem is referenced by: xrge0neqmnf 13380 xrge0nre 13381 xrge0omnd 21412 isxmet2d 24283 stdbdxmet 24471 metds0 24807 metdstri 24808 metdsre 24810 metdseq0 24811 metdscnlem 24812 metnrmlem1a 24815 metnrmlem1 24816 oprpiece1res1 24917 xrge0infss 32850 xrge0mulgnn0 33107 esumcvgre 34268 mblfinlem1 37902 iccintsng 45877 icoiccdif 45878 eliccnelico 45883 eliccelicod 45884 ge0xrre 45885 iblspltprt 46325 iblcncfioo 46330 itgspltprt 46331 gsumge0cl 46723 sge0tsms 46732 |
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