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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 13374 | . 2 ⊢ (𝐵[,]𝐶) ⊆ ℝ* | |
| 2 | 1 | sseli 3918 | 1 ⊢ (𝐴 ∈ (𝐵[,]𝐶) → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 (class class class)co 7360 ℝ*cxr 11169 [,]cicc 13292 |
| 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 5231 ax-nul 5241 ax-pr 5370 ax-un 7682 ax-cnex 11085 ax-resscn 11086 |
| 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 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-fv 6500 df-ov 7363 df-oprab 7364 df-mpo 7365 df-1st 7935 df-2nd 7936 df-xr 11174 df-icc 13296 |
| This theorem is referenced by: xrge0neqmnf 13396 xrge0nre 13397 xrge0omnd 21435 isxmet2d 24302 stdbdxmet 24490 metds0 24826 metdstri 24827 metdsre 24829 metdseq0 24830 metdscnlem 24831 metnrmlem1a 24834 metnrmlem1 24835 oprpiece1res1 24928 xrge0infss 32848 xrge0mulgnn0 33090 esumcvgre 34251 mblfinlem1 37992 iccintsng 45971 icoiccdif 45972 eliccnelico 45977 eliccelicod 45978 ge0xrre 45979 iblspltprt 46419 iblcncfioo 46424 itgspltprt 46425 gsumge0cl 46817 sge0tsms 46826 |
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