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Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > iccnct | Structured version Visualization version GIF version |
Description: A closed interval, with more than one element is uncountable. (Contributed by Glauco Siliprandi, 3-Jan-2021.) |
Ref | Expression |
---|---|
iccnct.a | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
iccnct.b | ⊢ (𝜑 → 𝐵 ∈ ℝ*) |
iccnct.l | ⊢ (𝜑 → 𝐴 < 𝐵) |
iccnct.c | ⊢ 𝐶 = (𝐴[,]𝐵) |
Ref | Expression |
---|---|
iccnct | ⊢ (𝜑 → ¬ 𝐶 ≼ ω) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iccnct.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
2 | iccnct.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ*) | |
3 | iccnct.l | . . 3 ⊢ (𝜑 → 𝐴 < 𝐵) | |
4 | eqid 2726 | . . 3 ⊢ (𝐴(,)𝐵) = (𝐴(,)𝐵) | |
5 | 1, 2, 3, 4 | ioonct 45190 | . 2 ⊢ (𝜑 → ¬ (𝐴(,)𝐵) ≼ ω) |
6 | ioossicc 13457 | . . . 4 ⊢ (𝐴(,)𝐵) ⊆ (𝐴[,]𝐵) | |
7 | iccnct.c | . . . 4 ⊢ 𝐶 = (𝐴[,]𝐵) | |
8 | 6, 7 | sseqtrri 4018 | . . 3 ⊢ (𝐴(,)𝐵) ⊆ 𝐶 |
9 | 8 | a1i 11 | . 2 ⊢ (𝜑 → (𝐴(,)𝐵) ⊆ 𝐶) |
10 | 5, 9 | ssnct 44714 | 1 ⊢ (𝜑 → ¬ 𝐶 ≼ ω) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 = wceq 1534 ∈ wcel 2099 ⊆ wss 3948 class class class wbr 5145 (class class class)co 7415 ωcom 7867 ≼ cdom 8963 ℝ*cxr 11287 < clt 11288 (,)cioo 13371 [,]cicc 13374 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2697 ax-rep 5282 ax-sep 5296 ax-nul 5303 ax-pow 5361 ax-pr 5425 ax-un 7737 ax-inf2 9676 ax-cnex 11204 ax-resscn 11205 ax-1cn 11206 ax-icn 11207 ax-addcl 11208 ax-addrcl 11209 ax-mulcl 11210 ax-mulrcl 11211 ax-mulcom 11212 ax-addass 11213 ax-mulass 11214 ax-distr 11215 ax-i2m1 11216 ax-1ne0 11217 ax-1rid 11218 ax-rnegex 11219 ax-rrecex 11220 ax-cnre 11221 ax-pre-lttri 11222 ax-pre-lttrn 11223 ax-pre-ltadd 11224 ax-pre-mulgt0 11225 ax-pre-sup 11226 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2529 df-eu 2558 df-clab 2704 df-cleq 2718 df-clel 2803 df-nfc 2878 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3365 df-reu 3366 df-rab 3421 df-v 3466 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3968 df-nul 4325 df-if 4526 df-pw 4601 df-sn 4626 df-pr 4628 df-op 4632 df-uni 4908 df-int 4949 df-iun 4997 df-br 5146 df-opab 5208 df-mpt 5229 df-tr 5263 df-id 5572 df-eprel 5578 df-po 5586 df-so 5587 df-fr 5629 df-se 5630 df-we 5631 df-xp 5680 df-rel 5681 df-cnv 5682 df-co 5683 df-dm 5684 df-rn 5685 df-res 5686 df-ima 5687 df-pred 6304 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6497 df-fun 6547 df-fn 6548 df-f 6549 df-f1 6550 df-fo 6551 df-f1o 6552 df-fv 6553 df-isom 6554 df-riota 7371 df-ov 7418 df-oprab 7419 df-mpo 7420 df-om 7868 df-1st 7994 df-2nd 7995 df-frecs 8287 df-wrecs 8318 df-recs 8392 df-rdg 8431 df-1o 8487 df-2o 8488 df-oadd 8491 df-omul 8492 df-er 8725 df-map 8848 df-pm 8849 df-en 8966 df-dom 8967 df-sdom 8968 df-fin 8969 df-sup 9477 df-inf 9478 df-oi 9545 df-card 9974 df-acn 9977 df-pnf 11290 df-mnf 11291 df-xr 11292 df-ltxr 11293 df-le 11294 df-sub 11486 df-neg 11487 df-div 11912 df-nn 12258 df-2 12320 df-3 12321 df-n0 12518 df-z 12604 df-uz 12868 df-q 12978 df-rp 13022 df-xneg 13139 df-xadd 13140 df-xmul 13141 df-ioo 13375 df-ico 13377 df-icc 13378 df-fz 13532 df-fzo 13675 df-fl 13805 df-seq 14015 df-exp 14075 df-hash 14342 df-cj 15098 df-re 15099 df-im 15100 df-sqrt 15234 df-abs 15235 df-limsup 15467 df-clim 15484 df-rlim 15485 df-sum 15685 df-topgen 17452 df-psmet 21330 df-xmet 21331 df-met 21332 df-bl 21333 df-mopn 21334 df-top 22883 df-topon 22900 df-bases 22936 df-ntr 23011 |
This theorem is referenced by: salexct2 45995 |
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