Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > evthf | Structured version Visualization version GIF version |
Description: A version of evth 24220 using bound-variable hypotheses instead of distinct variable conditions. (Contributed by Glauco Siliprandi, 20-Apr-2017.) |
Ref | Expression |
---|---|
evthf.1 | ⊢ Ⅎ𝑥𝐹 |
evthf.2 | ⊢ Ⅎ𝑦𝐹 |
evthf.3 | ⊢ Ⅎ𝑥𝑋 |
evthf.4 | ⊢ Ⅎ𝑦𝑋 |
evthf.5 | ⊢ Ⅎ𝑥𝜑 |
evthf.6 | ⊢ Ⅎ𝑦𝜑 |
evthf.7 | ⊢ 𝑋 = ∪ 𝐽 |
evthf.8 | ⊢ 𝐾 = (topGen‘ran (,)) |
evthf.9 | ⊢ (𝜑 → 𝐽 ∈ Comp) |
evthf.10 | ⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾)) |
evthf.11 | ⊢ (𝜑 → 𝑋 ≠ ∅) |
Ref | Expression |
---|---|
evthf | ⊢ (𝜑 → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑥)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | evthf.7 | . . 3 ⊢ 𝑋 = ∪ 𝐽 | |
2 | evthf.8 | . . 3 ⊢ 𝐾 = (topGen‘ran (,)) | |
3 | evthf.9 | . . 3 ⊢ (𝜑 → 𝐽 ∈ Comp) | |
4 | evthf.10 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾)) | |
5 | evthf.11 | . . 3 ⊢ (𝜑 → 𝑋 ≠ ∅) | |
6 | 1, 2, 3, 4, 5 | evth 24220 | . 2 ⊢ (𝜑 → ∃𝑎 ∈ 𝑋 ∀𝑏 ∈ 𝑋 (𝐹‘𝑏) ≤ (𝐹‘𝑎)) |
7 | nfcv 2904 | . . . . 5 ⊢ Ⅎ𝑏𝑋 | |
8 | evthf.4 | . . . . 5 ⊢ Ⅎ𝑦𝑋 | |
9 | evthf.2 | . . . . . . 7 ⊢ Ⅎ𝑦𝐹 | |
10 | nfcv 2904 | . . . . . . 7 ⊢ Ⅎ𝑦𝑏 | |
11 | 9, 10 | nffv 6829 | . . . . . 6 ⊢ Ⅎ𝑦(𝐹‘𝑏) |
12 | nfcv 2904 | . . . . . 6 ⊢ Ⅎ𝑦 ≤ | |
13 | nfcv 2904 | . . . . . . 7 ⊢ Ⅎ𝑦𝑎 | |
14 | 9, 13 | nffv 6829 | . . . . . 6 ⊢ Ⅎ𝑦(𝐹‘𝑎) |
15 | 11, 12, 14 | nfbr 5136 | . . . . 5 ⊢ Ⅎ𝑦(𝐹‘𝑏) ≤ (𝐹‘𝑎) |
16 | nfv 1916 | . . . . 5 ⊢ Ⅎ𝑏(𝐹‘𝑦) ≤ (𝐹‘𝑎) | |
17 | fveq2 6819 | . . . . . 6 ⊢ (𝑏 = 𝑦 → (𝐹‘𝑏) = (𝐹‘𝑦)) | |
18 | 17 | breq1d 5099 | . . . . 5 ⊢ (𝑏 = 𝑦 → ((𝐹‘𝑏) ≤ (𝐹‘𝑎) ↔ (𝐹‘𝑦) ≤ (𝐹‘𝑎))) |
19 | 7, 8, 15, 16, 18 | cbvralfw 3283 | . . . 4 ⊢ (∀𝑏 ∈ 𝑋 (𝐹‘𝑏) ≤ (𝐹‘𝑎) ↔ ∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑎)) |
20 | 19 | rexbii 3093 | . . 3 ⊢ (∃𝑎 ∈ 𝑋 ∀𝑏 ∈ 𝑋 (𝐹‘𝑏) ≤ (𝐹‘𝑎) ↔ ∃𝑎 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑎)) |
21 | nfcv 2904 | . . . 4 ⊢ Ⅎ𝑎𝑋 | |
22 | evthf.3 | . . . 4 ⊢ Ⅎ𝑥𝑋 | |
23 | evthf.1 | . . . . . . 7 ⊢ Ⅎ𝑥𝐹 | |
24 | nfcv 2904 | . . . . . . 7 ⊢ Ⅎ𝑥𝑦 | |
25 | 23, 24 | nffv 6829 | . . . . . 6 ⊢ Ⅎ𝑥(𝐹‘𝑦) |
26 | nfcv 2904 | . . . . . 6 ⊢ Ⅎ𝑥 ≤ | |
27 | nfcv 2904 | . . . . . . 7 ⊢ Ⅎ𝑥𝑎 | |
28 | 23, 27 | nffv 6829 | . . . . . 6 ⊢ Ⅎ𝑥(𝐹‘𝑎) |
29 | 25, 26, 28 | nfbr 5136 | . . . . 5 ⊢ Ⅎ𝑥(𝐹‘𝑦) ≤ (𝐹‘𝑎) |
30 | 22, 29 | nfralw 3290 | . . . 4 ⊢ Ⅎ𝑥∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑎) |
31 | nfv 1916 | . . . 4 ⊢ Ⅎ𝑎∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑥) | |
32 | fveq2 6819 | . . . . . 6 ⊢ (𝑎 = 𝑥 → (𝐹‘𝑎) = (𝐹‘𝑥)) | |
33 | 32 | breq2d 5101 | . . . . 5 ⊢ (𝑎 = 𝑥 → ((𝐹‘𝑦) ≤ (𝐹‘𝑎) ↔ (𝐹‘𝑦) ≤ (𝐹‘𝑥))) |
34 | 33 | ralbidv 3170 | . . . 4 ⊢ (𝑎 = 𝑥 → (∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑎) ↔ ∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑥))) |
35 | 21, 22, 30, 31, 34 | cbvrexfw 3284 | . . 3 ⊢ (∃𝑎 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑎) ↔ ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑥)) |
36 | 20, 35 | bitri 274 | . 2 ⊢ (∃𝑎 ∈ 𝑋 ∀𝑏 ∈ 𝑋 (𝐹‘𝑏) ≤ (𝐹‘𝑎) ↔ ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑥)) |
37 | 6, 36 | sylib 217 | 1 ⊢ (𝜑 → ∃𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘𝑦) ≤ (𝐹‘𝑥)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1540 Ⅎwnf 1784 ∈ wcel 2105 Ⅎwnfc 2884 ≠ wne 2940 ∀wral 3061 ∃wrex 3070 ∅c0 4268 ∪ cuni 4851 class class class wbr 5089 ran crn 5615 ‘cfv 6473 (class class class)co 7329 ≤ cle 11103 (,)cioo 13172 topGenctg 17237 Cn ccn 22473 Compccmp 22635 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2707 ax-rep 5226 ax-sep 5240 ax-nul 5247 ax-pow 5305 ax-pr 5369 ax-un 7642 ax-cnex 11020 ax-resscn 11021 ax-1cn 11022 ax-icn 11023 ax-addcl 11024 ax-addrcl 11025 ax-mulcl 11026 ax-mulrcl 11027 ax-mulcom 11028 ax-addass 11029 ax-mulass 11030 ax-distr 11031 ax-i2m1 11032 ax-1ne0 11033 ax-1rid 11034 ax-rnegex 11035 ax-rrecex 11036 ax-cnre 11037 ax-pre-lttri 11038 ax-pre-lttrn 11039 ax-pre-ltadd 11040 ax-pre-mulgt0 11041 ax-pre-sup 11042 ax-mulf 11044 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3349 df-reu 3350 df-rab 3404 df-v 3443 df-sbc 3727 df-csb 3843 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3916 df-nul 4269 df-if 4473 df-pw 4548 df-sn 4573 df-pr 4575 df-tp 4577 df-op 4579 df-uni 4852 df-int 4894 df-iun 4940 df-iin 4941 df-br 5090 df-opab 5152 df-mpt 5173 df-tr 5207 df-id 5512 df-eprel 5518 df-po 5526 df-so 5527 df-fr 5569 df-se 5570 df-we 5571 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-pred 6232 df-ord 6299 df-on 6300 df-lim 6301 df-suc 6302 df-iota 6425 df-fun 6475 df-fn 6476 df-f 6477 df-f1 6478 df-fo 6479 df-f1o 6480 df-fv 6481 df-isom 6482 df-riota 7286 df-ov 7332 df-oprab 7333 df-mpo 7334 df-of 7587 df-om 7773 df-1st 7891 df-2nd 7892 df-supp 8040 df-frecs 8159 df-wrecs 8190 df-recs 8264 df-rdg 8303 df-1o 8359 df-2o 8360 df-er 8561 df-map 8680 df-ixp 8749 df-en 8797 df-dom 8798 df-sdom 8799 df-fin 8800 df-fsupp 9219 df-fi 9260 df-sup 9291 df-inf 9292 df-oi 9359 df-card 9788 df-pnf 11104 df-mnf 11105 df-xr 11106 df-ltxr 11107 df-le 11108 df-sub 11300 df-neg 11301 df-div 11726 df-nn 12067 df-2 12129 df-3 12130 df-4 12131 df-5 12132 df-6 12133 df-7 12134 df-8 12135 df-9 12136 df-n0 12327 df-z 12413 df-dec 12531 df-uz 12676 df-q 12782 df-rp 12824 df-xneg 12941 df-xadd 12942 df-xmul 12943 df-ioo 13176 df-icc 13179 df-fz 13333 df-fzo 13476 df-seq 13815 df-exp 13876 df-hash 14138 df-cj 14901 df-re 14902 df-im 14903 df-sqrt 15037 df-abs 15038 df-struct 16937 df-sets 16954 df-slot 16972 df-ndx 16984 df-base 17002 df-ress 17031 df-plusg 17064 df-mulr 17065 df-starv 17066 df-sca 17067 df-vsca 17068 df-ip 17069 df-tset 17070 df-ple 17071 df-ds 17073 df-unif 17074 df-hom 17075 df-cco 17076 df-rest 17222 df-topn 17223 df-0g 17241 df-gsum 17242 df-topgen 17243 df-pt 17244 df-prds 17247 df-xrs 17302 df-qtop 17307 df-imas 17308 df-xps 17310 df-mre 17384 df-mrc 17385 df-acs 17387 df-mgm 18415 df-sgrp 18464 df-mnd 18475 df-submnd 18520 df-mulg 18789 df-cntz 19011 df-cmn 19475 df-psmet 20687 df-xmet 20688 df-met 20689 df-bl 20690 df-mopn 20691 df-cnfld 20696 df-top 22141 df-topon 22158 df-topsp 22180 df-bases 22194 df-cn 22476 df-cnp 22477 df-cmp 22636 df-tx 22811 df-hmeo 23004 df-xms 23571 df-ms 23572 df-tms 23573 |
This theorem is referenced by: rfcnnnub 42889 |
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