| Mathbox for Glauco Siliprandi |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > evth2f | Structured version Visualization version GIF version | ||
| Description: A version of evth2 24952 using bound-variable hypotheses instead of distinct variable conditions. (Contributed by Glauco Siliprandi, 20-Apr-2017.) |
| Ref | Expression |
|---|---|
| evth2f.1 | ⊢ Ⅎ𝑥𝐹 |
| evth2f.2 | ⊢ Ⅎ𝑦𝐹 |
| evth2f.3 | ⊢ Ⅎ𝑥𝑋 |
| evth2f.4 | ⊢ Ⅎ𝑦𝑋 |
| evth2f.5 | ⊢ 𝑋 = ∪ 𝐽 |
| evth2f.6 | ⊢ 𝐾 = (topGen‘ran (,)) |
| evth2f.7 | ⊢ (𝜑 → 𝐽 ∈ Comp) |
| evth2f.8 | ⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾)) |
| evth2f.9 | ⊢ (𝜑 → 𝑋 ≠ ∅) |
| Ref | Expression |
|---|---|
| evth2f | ⊢ (𝜑 → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑦)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | evth2f.5 | . . 3 ⊢ 𝑋 = ∪ 𝐽 | |
| 2 | evth2f.6 | . . 3 ⊢ 𝐾 = (topGen‘ran (,)) | |
| 3 | evth2f.7 | . . 3 ⊢ (𝜑 → 𝐽 ∈ Comp) | |
| 4 | evth2f.8 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾)) | |
| 5 | evth2f.9 | . . 3 ⊢ (𝜑 → 𝑋 ≠ ∅) | |
| 6 | 1, 2, 3, 4, 5 | evth2 24952 | . 2 ⊢ (𝜑 → ∃𝑎 ∈ 𝑋 ∀𝑏 ∈ 𝑋 (𝐹‘𝑎) ≤ (𝐹‘𝑏)) |
| 7 | nfcv 2902 | . . . 4 ⊢ Ⅎ𝑎𝑋 | |
| 8 | evth2f.3 | . . . 4 ⊢ Ⅎ𝑥𝑋 | |
| 9 | evth2f.1 | . . . . . . 7 ⊢ Ⅎ𝑥𝐹 | |
| 10 | nfcv 2902 | . . . . . . 7 ⊢ Ⅎ𝑥𝑎 | |
| 11 | 9, 10 | nffv 6844 | . . . . . 6 ⊢ Ⅎ𝑥(𝐹‘𝑎) |
| 12 | nfcv 2902 | . . . . . 6 ⊢ Ⅎ𝑥 ≤ | |
| 13 | nfcv 2902 | . . . . . . 7 ⊢ Ⅎ𝑥𝑏 | |
| 14 | 9, 13 | nffv 6844 | . . . . . 6 ⊢ Ⅎ𝑥(𝐹‘𝑏) |
| 15 | 11, 12, 14 | nfbr 5126 | . . . . 5 ⊢ Ⅎ𝑥(𝐹‘𝑎) ≤ (𝐹‘𝑏) |
| 16 | 8, 15 | nfralw 3287 | . . . 4 ⊢ Ⅎ𝑥∀𝑏 ∈ 𝑋 (𝐹‘𝑎) ≤ (𝐹‘𝑏) |
| 17 | nfv 1921 | . . . 4 ⊢ Ⅎ𝑎∀𝑏 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑏) | |
| 18 | fveq2 6834 | . . . . . 6 ⊢ (𝑎 = 𝑥 → (𝐹‘𝑎) = (𝐹‘𝑥)) | |
| 19 | 18 | breq1d 5089 | . . . . 5 ⊢ (𝑎 = 𝑥 → ((𝐹‘𝑎) ≤ (𝐹‘𝑏) ↔ (𝐹‘𝑥) ≤ (𝐹‘𝑏))) |
| 20 | 19 | ralbidv 3163 | . . . 4 ⊢ (𝑎 = 𝑥 → (∀𝑏 ∈ 𝑋 (𝐹‘𝑎) ≤ (𝐹‘𝑏) ↔ ∀𝑏 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑏))) |
| 21 | 7, 8, 16, 17, 20 | cbvrexfw 3281 | . . 3 ⊢ (∃𝑎 ∈ 𝑋 ∀𝑏 ∈ 𝑋 (𝐹‘𝑎) ≤ (𝐹‘𝑏) ↔ ∃𝑥 ∈ 𝑋 ∀𝑏 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑏)) |
| 22 | nfcv 2902 | . . . . 5 ⊢ Ⅎ𝑏𝑋 | |
| 23 | evth2f.4 | . . . . 5 ⊢ Ⅎ𝑦𝑋 | |
| 24 | evth2f.2 | . . . . . . 7 ⊢ Ⅎ𝑦𝐹 | |
| 25 | nfcv 2902 | . . . . . . 7 ⊢ Ⅎ𝑦𝑥 | |
| 26 | 24, 25 | nffv 6844 | . . . . . 6 ⊢ Ⅎ𝑦(𝐹‘𝑥) |
| 27 | nfcv 2902 | . . . . . 6 ⊢ Ⅎ𝑦 ≤ | |
| 28 | nfcv 2902 | . . . . . . 7 ⊢ Ⅎ𝑦𝑏 | |
| 29 | 24, 28 | nffv 6844 | . . . . . 6 ⊢ Ⅎ𝑦(𝐹‘𝑏) |
| 30 | 26, 27, 29 | nfbr 5126 | . . . . 5 ⊢ Ⅎ𝑦(𝐹‘𝑥) ≤ (𝐹‘𝑏) |
| 31 | nfv 1921 | . . . . 5 ⊢ Ⅎ𝑏(𝐹‘𝑥) ≤ (𝐹‘𝑦) | |
| 32 | fveq2 6834 | . . . . . 6 ⊢ (𝑏 = 𝑦 → (𝐹‘𝑏) = (𝐹‘𝑦)) | |
| 33 | 32 | breq2d 5091 | . . . . 5 ⊢ (𝑏 = 𝑦 → ((𝐹‘𝑥) ≤ (𝐹‘𝑏) ↔ (𝐹‘𝑥) ≤ (𝐹‘𝑦))) |
| 34 | 22, 23, 30, 31, 33 | cbvralfw 3280 | . . . 4 ⊢ (∀𝑏 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑏) ↔ ∀𝑦 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑦)) |
| 35 | 34 | rexbii 3087 | . . 3 ⊢ (∃𝑥 ∈ 𝑋 ∀𝑏 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑏) ↔ ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑦)) |
| 36 | 21, 35 | bitri 276 | . 2 ⊢ (∃𝑎 ∈ 𝑋 ∀𝑏 ∈ 𝑋 (𝐹‘𝑎) ≤ (𝐹‘𝑏) ↔ ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑦)) |
| 37 | 6, 36 | sylib 219 | 1 ⊢ (𝜑 → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑥) ≤ (𝐹‘𝑦)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∈ wcel 2119 Ⅎwnfc 2887 ≠ wne 2935 ∀wral 3054 ∃wrex 3064 ∅c0 4268 ∪ cuni 4845 class class class wbr 5079 ran crn 5626 ‘cfv 6492 (class class class)co 7363 ≤ cle 11178 (,)cioo 13296 topGenctg 17398 Cn ccn 23214 Compccmp 23376 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-rep 5206 ax-sep 5225 ax-nul 5235 ax-pow 5301 ax-pr 5369 ax-un 7685 ax-cnex 11092 ax-resscn 11093 ax-1cn 11094 ax-icn 11095 ax-addcl 11096 ax-addrcl 11097 ax-mulcl 11098 ax-mulrcl 11099 ax-mulcom 11100 ax-addass 11101 ax-mulass 11102 ax-distr 11103 ax-i2m1 11104 ax-1ne0 11105 ax-1rid 11106 ax-rnegex 11107 ax-rrecex 11108 ax-cnre 11109 ax-pre-lttri 11110 ax-pre-lttrn 11111 ax-pre-ltadd 11112 ax-pre-mulgt0 11113 ax-pre-sup 11114 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-nel 3040 df-ral 3055 df-rex 3065 df-rmo 3345 df-reu 3346 df-rab 3393 df-v 3434 df-sbc 3731 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-tp 4567 df-op 4569 df-uni 4846 df-int 4885 df-iun 4930 df-iin 4931 df-br 5080 df-opab 5142 df-mpt 5161 df-tr 5187 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-isom 6501 df-riota 7320 df-ov 7366 df-oprab 7367 df-mpo 7368 df-of 7627 df-om 7814 df-1st 7938 df-2nd 7939 df-supp 8108 df-frecs 8228 df-wrecs 8259 df-recs 8308 df-rdg 8346 df-1o 8402 df-2o 8403 df-er 8640 df-map 8772 df-ixp 8843 df-en 8891 df-dom 8892 df-sdom 8893 df-fin 8894 df-fsupp 9272 df-fi 9321 df-sup 9352 df-inf 9353 df-oi 9422 df-card 9861 df-pnf 11179 df-mnf 11180 df-xr 11181 df-ltxr 11182 df-le 11183 df-sub 11377 df-neg 11378 df-div 11806 df-nn 12173 df-2 12242 df-3 12243 df-4 12244 df-5 12245 df-6 12246 df-7 12247 df-8 12248 df-9 12249 df-n0 12436 df-z 12523 df-dec 12643 df-uz 12787 df-q 12897 df-rp 12941 df-xneg 13061 df-xadd 13062 df-xmul 13063 df-ioo 13300 df-icc 13303 df-fz 13460 df-fzo 13607 df-seq 13962 df-exp 14022 df-hash 14291 df-cj 15059 df-re 15060 df-im 15061 df-sqrt 15195 df-abs 15196 df-struct 17115 df-sets 17132 df-slot 17150 df-ndx 17162 df-base 17178 df-ress 17199 df-plusg 17231 df-mulr 17232 df-starv 17233 df-sca 17234 df-vsca 17235 df-ip 17236 df-tset 17237 df-ple 17238 df-ds 17240 df-unif 17241 df-hom 17242 df-cco 17243 df-rest 17383 df-topn 17384 df-0g 17402 df-gsum 17403 df-topgen 17404 df-pt 17405 df-prds 17408 df-xrs 17464 df-qtop 17469 df-imas 17470 df-xps 17472 df-mre 17546 df-mrc 17547 df-acs 17549 df-mgm 18606 df-sgrp 18685 df-mnd 18701 df-submnd 18750 df-mulg 19042 df-cntz 19290 df-cmn 19755 df-psmet 21346 df-xmet 21347 df-met 21348 df-bl 21349 df-mopn 21350 df-cnfld 21355 df-top 22884 df-topon 22901 df-topsp 22923 df-bases 22936 df-cn 23217 df-cnp 23218 df-cmp 23377 df-tx 23552 df-hmeo 23745 df-xms 24310 df-ms 24311 df-tms 24312 |
| This theorem is referenced by: stoweidlem29 46479 |
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