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Mirrors > Home > MPE Home > Th. List > letri3d | Structured version Visualization version GIF version |
Description: Consequence of trichotomy. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
ltd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
ltd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
Ref | Expression |
---|---|
letri3d | ⊢ (𝜑 → (𝐴 = 𝐵 ↔ (𝐴 ≤ 𝐵 ∧ 𝐵 ≤ 𝐴))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
2 | ltd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
3 | letri3 10720 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 = 𝐵 ↔ (𝐴 ≤ 𝐵 ∧ 𝐵 ≤ 𝐴))) | |
4 | 1, 2, 3 | syl2anc 586 | 1 ⊢ (𝜑 → (𝐴 = 𝐵 ↔ (𝐴 ≤ 𝐵 ∧ 𝐵 ≤ 𝐴))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1533 ∈ wcel 2110 class class class wbr 5058 ℝcr 10530 ≤ cle 10670 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-resscn 10588 ax-pre-lttri 10605 ax-pre-lttrn 10606 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-po 5468 df-so 5469 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 |
This theorem is referenced by: add20 11146 eqord1 11162 msq11 11535 supadd 11603 supmul 11607 suprzcl 12056 uzwo3 12337 flid 13172 flval3 13179 gcd0id 15861 gcdneg 15864 bezoutlem4 15884 gcdzeq 15896 lcmneg 15941 coprmgcdb 15987 qredeq 15995 pcidlem 16202 pcgcd1 16207 4sqlem17 16291 0ram 16350 ram0 16352 mndodconglem 18663 sylow1lem5 18721 zntoslem 20697 cnmpopc 23526 ovolsca 24110 ismbl2 24122 voliunlem2 24146 dyadmaxlem 24192 mbfi1fseqlem4 24313 itg2cnlem1 24356 ditgneg 24449 rolle 24581 dvivthlem1 24599 plyeq0lem 24794 dgreq 24828 coemulhi 24838 dgradd2 24852 dgrmul 24854 plydiveu 24881 vieta1lem2 24894 pilem3 25035 zabsle1 25866 2sqmod 26006 ostth2 26207 brbtwn2 26685 axcontlem8 26751 nmophmi 29802 leoptri 29907 fzto1st1 30739 ballotlemfc0 31745 ballotlemfcc 31746 0nn0m1nnn0 32346 poimirlem23 34909 rmspecfund 39499 ubelsupr 41270 lefldiveq 41552 wallispilem3 42346 fourierdlem6 42392 fourierdlem42 42428 fourierdlem50 42435 fourierdlem52 42437 fourierdlem54 42439 fourierdlem79 42464 fourierdlem102 42487 fourierdlem114 42499 2ffzoeq 43522 lighneallem2 43765 |
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