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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 31845 | . 2 ⊢ ℋ ∈ Cℋ | |
| 2 | 1 | elimel 4552 | 1 ⊢ if(𝐴 ∈ Cℋ , 𝐴, ℋ) ∈ Cℋ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 ifcif 4482 ℋchba 31521 Cℋ cch 31531 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-cnex 11256 ax-1cn 11258 ax-addcl 11260 ax-hilex 31601 ax-hfvadd 31602 ax-hv0cl 31605 ax-hfvmul 31607 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-map 8849 df-nn 12336 df-hlim 31574 df-sh 31809 df-ch 31823 |
| This theorem is used by: pjhth 31995 ococ 32008 pjoc1 32036 chincl 32101 chsscon3 32102 chjo 32117 chdmm1 32127 chjass 32135 pjoml3 32214 osum 32247 spansnj 32249 spansncv 32255 pjcjt2 32294 pjch 32296 pjopyth 32322 pjnorm 32326 pjpyth 32327 pjnel 32328 cvmd 32938 chrelat2 32972 cvexch 32976 mdsym 33014 |
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