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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 31666 | . 2 ⊢ ℋ ∈ Cℋ | |
| 2 | 1 | elimel 4559 | 1 ⊢ if(𝐴 ∈ Cℋ , 𝐴, ℋ) ∈ Cℋ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 ifcif 4489 ℋchba 31342 Cℋ cch 31352 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11171 ax-1cn 11173 ax-addcl 11175 ax-hilex 31422 ax-hfvadd 31423 ax-hv0cl 31426 ax-hfvmul 31428 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-map 8832 df-nn 12249 df-hlim 31395 df-sh 31630 df-ch 31644 |
| This theorem is used by: pjhth 31816 ococ 31829 pjoc1 31857 chincl 31922 chsscon3 31923 chjo 31938 chdmm1 31948 chjass 31956 pjoml3 32035 osum 32068 spansnj 32070 spansncv 32076 pjcjt2 32115 pjch 32117 pjopyth 32143 pjnorm 32147 pjpyth 32148 pjnel 32149 cvmd 32759 chrelat2 32793 cvexch 32797 mdsym 32835 |
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