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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 31446 | . 2 ⊢ ℋ ∈ Cℋ | |
| 2 | 1 | elimel 4550 | 1 ⊢ if(𝐴 ∈ Cℋ , 𝐴, ℋ) ∈ Cℋ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2142 ifcif 4480 ℋchba 31122 Cℋ cch 31132 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5227 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 ax-cnex 11129 ax-1cn 11131 ax-addcl 11133 ax-hilex 31202 ax-hfvadd 31203 ax-hv0cl 31206 ax-hfvmul 31208 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-ov 7399 df-oprab 7400 df-mpo 7401 df-om 7847 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-map 8810 df-nn 12211 df-hlim 31175 df-sh 31410 df-ch 31424 |
| This theorem is referenced by: pjhth 31596 ococ 31609 pjoc1 31637 chincl 31702 chsscon3 31703 chjo 31718 chdmm1 31728 chjass 31736 pjoml3 31815 osum 31848 spansnj 31850 spansncv 31856 pjcjt2 31895 pjch 31897 pjopyth 31923 pjnorm 31927 pjpyth 31928 pjnel 31929 cvmd 32539 chrelat2 32573 cvexch 32577 mdsym 32615 |
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