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Mirrors > Home > HSE Home > Th. List > ifchhv | Structured version Visualization version GIF version |
Description: Prove if(𝐴 ∈ Cℋ , 𝐴, ℋ) ∈ Cℋ. (Contributed by David A. Wheeler, 8-Dec-2018.) (New usage is discouraged.) |
Ref | Expression |
---|---|
ifchhv | ⊢ if(𝐴 ∈ Cℋ , 𝐴, ℋ) ∈ Cℋ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | helch 29026 | . 2 ⊢ ℋ ∈ Cℋ | |
2 | 1 | elimel 4492 | 1 ⊢ if(𝐴 ∈ Cℋ , 𝐴, ℋ) ∈ Cℋ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2111 ifcif 4425 ℋchba 28702 Cℋ cch 28712 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-1cn 10584 ax-addcl 10586 ax-hilex 28782 ax-hfvadd 28783 ax-hv0cl 28786 ax-hfvmul 28788 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-map 8391 df-nn 11626 df-hlim 28755 df-sh 28990 df-ch 29004 |
This theorem is referenced by: pjhth 29176 ococ 29189 pjoc1 29217 chincl 29282 chsscon3 29283 chjo 29298 chdmm1 29308 chjass 29316 pjoml3 29395 osum 29428 spansnj 29430 spansncv 29436 pjcjt2 29475 pjch 29477 pjopyth 29503 pjnorm 29507 pjpyth 29508 pjnel 29509 cvmd 30119 chrelat2 30153 cvexch 30157 mdsym 30195 |
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