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Mirrors > Home > MPE Home > Th. List > uneq1d | Structured version Visualization version GIF version |
Description: Deduction adding union to the right in a class equality. (Contributed by NM, 29-Mar-1998.) |
Ref | Expression |
---|---|
uneq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
Ref | Expression |
---|---|
uneq1d | ⊢ (𝜑 → (𝐴 ∪ 𝐶) = (𝐵 ∪ 𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uneq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
2 | uneq1 3722 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴 ∪ 𝐶) = (𝐵 ∪ 𝐶)) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝐴 ∪ 𝐶) = (𝐵 ∪ 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∪ cun 3538 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-v 3175 df-un 3545 |
This theorem is referenced by: ifeq1 4040 preq1 4212 tpeq1 4221 tpeq2 4222 tpprceq3 4276 iunxdif3 4542 iununi 4546 resasplit 5987 fresaunres2 5989 fmptpr 6343 funresdfunsn 6360 ressuppssdif 7203 sbthlem5 7959 fodomr 7996 domunfican 8118 brwdom2 8361 cdaval 8875 ackbij1lem2 8926 ttukeylem3 9216 snunioo 12169 snunioc 12171 prunioo 12172 fzpred 12259 fseq1p1m1 12283 nn0split 12323 fz0sn0fz1 12325 fzo0sn0fzo1 12424 fzosplitprm1 12443 s2prop 13502 s4prop 13505 fsum1p 14326 fprod1p 14537 setsval 15720 setsabs 15730 setscom 15731 prdsval 15938 prdsdsval 15961 prdsdsval2 15967 prdsdsval3 15968 mreexexlem3d 16129 mreexexlem4d 16130 estrres 16602 symg2bas 17641 evlseu 19337 ordtuni 20804 lfinun 21138 alexsubALTlem3 21663 ustssco 21828 trust 21843 ressprdsds 21986 xpsdsval 21996 nulmbl2 23111 uniioombllem3 23159 uniioombllem4 23160 plyeq0 23771 plyaddlem1 23773 plymullem1 23774 fta1lem 23866 vieta1lem2 23870 birthdaylem2 24479 nbgraopALT 25953 iuninc 28761 difelcarsg 29699 bnj1416 30361 mclsval 30714 mclsax 30720 rankung 31443 topjoin 31530 bj-tageq 32157 finixpnum 32564 poimirlem3 32582 poimirlem4 32583 poimirlem6 32585 poimirlem7 32586 poimirlem9 32588 poimirlem16 32595 poimirlem17 32596 poimirlem28 32607 mblfinlem2 32617 islshpsm 33285 lshpnel2N 33290 lkrlsp3 33409 pclfinclN 34254 dochsatshp 35758 mapfzcons1 36298 iunrelexp0 37013 isotone1 37366 fiiuncl 38259 nnsplit 38515 fourierdlem32 39032 fzopred 39945 fzopredsuc 39946 fzosplitpr 40362 aacllem 42356 |
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