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Mirrors > Home > MPE Home > Th. List > elxrge0 | Structured version Visualization version GIF version |
Description: Elementhood in the set of nonnegative extended reals. (Contributed by Mario Carneiro, 28-Jun-2014.) |
Ref | Expression |
---|---|
elxrge0 | ⊢ (𝐴 ∈ (0[,]+∞) ↔ (𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-3an 1033 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴 ∧ 𝐴 ≤ +∞) ↔ ((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ 𝐴 ≤ +∞)) | |
2 | 0xr 9965 | . . 3 ⊢ 0 ∈ ℝ* | |
3 | pnfxr 9971 | . . 3 ⊢ +∞ ∈ ℝ* | |
4 | elicc1 12090 | . . 3 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → (𝐴 ∈ (0[,]+∞) ↔ (𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴 ∧ 𝐴 ≤ +∞))) | |
5 | 2, 3, 4 | mp2an 704 | . 2 ⊢ (𝐴 ∈ (0[,]+∞) ↔ (𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴 ∧ 𝐴 ≤ +∞)) |
6 | pnfge 11840 | . . . 4 ⊢ (𝐴 ∈ ℝ* → 𝐴 ≤ +∞) | |
7 | 6 | adantr 480 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) → 𝐴 ≤ +∞) |
8 | 7 | pm4.71i 662 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ↔ ((𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴) ∧ 𝐴 ≤ +∞)) |
9 | 1, 5, 8 | 3bitr4i 291 | 1 ⊢ (𝐴 ∈ (0[,]+∞) ↔ (𝐴 ∈ ℝ* ∧ 0 ≤ 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 195 ∧ wa 383 ∧ w3a 1031 ∈ wcel 1977 class class class wbr 4583 (class class class)co 6549 0cc0 9815 +∞cpnf 9950 ℝ*cxr 9952 ≤ cle 9954 [,]cicc 12049 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-i2m1 9883 ax-1ne0 9884 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-iota 5768 df-fun 5806 df-fv 5812 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-icc 12053 |
This theorem is referenced by: 0e0iccpnf 12154 ge0xaddcl 12157 ge0xmulcl 12158 xnn0xrge0 12196 xrge0subm 19606 psmetxrge0 21928 isxmet2d 21942 prdsdsf 21982 prdsxmetlem 21983 comet 22128 stdbdxmet 22130 xrge0gsumle 22444 xrge0tsms 22445 metdsf 22459 metds0 22461 metdstri 22462 metdsre 22464 metdseq0 22465 metdscnlem 22466 metnrmlem1a 22469 metnrmlem1 22470 xrhmeo 22553 lebnumlem1 22568 xrge0f 23304 itg2const2 23314 itg2uba 23316 itg2mono 23326 itg2gt0 23333 itg2cnlem2 23335 itg2cn 23336 iblss 23377 itgle 23382 itgeqa 23386 ibladdlem 23392 iblabs 23401 iblabsr 23402 iblmulc2 23403 itgsplit 23408 bddmulibl 23411 xrge0addge 28912 xrge0infss 28915 xrge0addcld 28917 xrge0subcld 28918 xrge00 29017 xrge0tsmsd 29116 esummono 29443 gsumesum 29448 esumsnf 29453 esumrnmpt2 29457 esumpmono 29468 hashf2 29473 measge0 29597 measle0 29598 measssd 29605 measunl 29606 omssubaddlem 29688 omssubadd 29689 carsgsigalem 29704 pmeasmono 29713 sibfinima 29728 prob01 29802 dstrvprob 29860 itg2addnclem 32631 ibladdnclem 32636 iblabsnc 32644 iblmulc2nc 32645 bddiblnc 32650 ftc1anclem4 32658 ftc1anclem5 32659 ftc1anclem6 32660 ftc1anclem7 32661 ftc1anclem8 32662 ftc1anc 32663 xrge0ge0 38504 |
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