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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 13431 | . 2 ⊢ (𝐵[,]𝐶) ⊆ ℝ* | |
| 2 | 1 | sseli 3932 | 1 ⊢ (𝐴 ∈ (𝐵[,]𝐶) → 𝐴 ∈ ℝ*) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2141 (class class class)co 7392 ℝ*cxr 11212 [,]cicc 13349 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5245 ax-nul 5255 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5540 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-fv 6525 df-ov 7395 df-oprab 7396 df-mpo 7397 df-1st 7966 df-2nd 7967 df-xr 11217 df-icc 13353 |
| This theorem is referenced by: xrge0neqmnf 13453 xrge0nre 13454 xrge0omnd 21477 isxmet2d 24367 stdbdxmet 24555 metds0 24891 metdstri 24892 metdsre 24894 metdseq0 24895 metdscnlem 24896 metnrmlem1a 24899 metnrmlem1 24900 oprpiece1res1 24993 xrge0infss 32912 xrge0mulgnn0 33154 esumcvgre 34349 mblfinlem1 38120 iccintsng 46063 icoiccdif 46064 eliccnelico 46069 eliccelicod 46070 ge0xrre 46071 iblspltprt 46511 iblcncfioo 46516 itgspltprt 46517 gsumge0cl 46909 sge0tsms 46918 |
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