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Mirrors > Home > MPE Home > Th. List > uneq1i | Structured version Visualization version GIF version |
Description: Inference adding union to the right in a class equality. (Contributed by NM, 30-Aug-1993.) |
Ref | Expression |
---|---|
uneq1i.1 | ⊢ 𝐴 = 𝐵 |
Ref | Expression |
---|---|
uneq1i | ⊢ (𝐴 ∪ 𝐶) = (𝐵 ∪ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uneq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
2 | uneq1 4134 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴 ∪ 𝐶) = (𝐵 ∪ 𝐶)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 ∪ 𝐶) = (𝐵 ∪ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ∪ cun 3936 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-v 3498 df-un 3943 |
This theorem is referenced by: un12 4145 unundi 4148 undif1 4426 dfif5 4485 tpcoma 4688 qdass 4691 qdassr 4692 tpidm12 4693 symdifv 5010 unidif0 5262 difxp2 6025 resasplit 6550 fresaun 6551 fresaunres2 6552 df2o3 8119 sbthlem6 8634 fodomr 8670 domss2 8678 domunfican 8793 kmlem11 9588 hashfun 13801 prmreclem2 16255 setscom 16529 gsummptfzsplitl 19055 uniioombllem3 24188 lhop 24615 ex-un 28205 ex-pw 28210 indifundif 30287 cycpmrn 30787 bnj1415 32312 subfacp1lem1 32428 dftrpred4g 33075 lineunray 33610 bj-2upln1upl 34338 poimirlem3 34897 poimirlem4 34898 poimirlem5 34899 poimirlem16 34910 poimirlem17 34911 poimirlem19 34913 poimirlem20 34914 poimirlem22 34916 dfrcl2 40026 iunrelexp0 40054 trclfvdecomr 40080 corcltrcl 40091 cotrclrcl 40094 df3o2 40381 fourierdlem80 42478 caragenuncllem 42801 carageniuncllem1 42810 1fzopredsuc 43531 nnsum4primeseven 43972 nnsum4primesevenALTV 43973 lmod1 44554 |
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