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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 13452 | . 2 ⊢ (𝐵[,]𝐶) ⊆ ℝ* | |
| 2 | 1 | sseli 3959 | 1 ⊢ (𝐴 ∈ (𝐵[,]𝐶) → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2107 (class class class)co 7413 ℝ*cxr 11276 [,]cicc 13372 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-sep 5276 ax-nul 5286 ax-pr 5412 ax-un 7737 ax-cnex 11193 ax-resscn 11194 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2808 df-nfc 2884 df-ne 2932 df-ral 3051 df-rex 3060 df-rab 3420 df-v 3465 df-sbc 3771 df-csb 3880 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-nul 4314 df-if 4506 df-pw 4582 df-sn 4607 df-pr 4609 df-op 4613 df-uni 4888 df-iun 4973 df-br 5124 df-opab 5186 df-mpt 5206 df-id 5558 df-xp 5671 df-rel 5672 df-cnv 5673 df-co 5674 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 df-iota 6494 df-fun 6543 df-fn 6544 df-f 6545 df-fv 6549 df-ov 7416 df-oprab 7417 df-mpo 7418 df-1st 7996 df-2nd 7997 df-xr 11281 df-icc 13376 |
| This theorem is referenced by: xrge0neqmnf 13474 xrge0nre 13475 isxmet2d 24282 stdbdxmet 24472 metds0 24808 metdstri 24809 metdsre 24811 metdseq0 24812 metdscnlem 24813 metnrmlem1a 24816 metnrmlem1 24817 oprpiece1res1 24918 xrge0infss 32701 xrge0mulgnn0 32959 xrge0omnd 33027 esumcvgre 34051 mblfinlem1 37623 iccintsng 45493 icoiccdif 45494 eliccnelico 45499 eliccelicod 45500 ge0xrre 45501 iblspltprt 45945 iblcncfioo 45950 itgspltprt 45951 gsumge0cl 46343 sge0tsms 46352 |
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