![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > eqtr3 | Structured version Visualization version GIF version |
Description: A transitive law for class equality. (Contributed by NM, 20-May-2005.) (Proof shortened by Wolf Lammen, 24-Oct-2024.) |
Ref | Expression |
---|---|
eqtr3 | ⊢ ((𝐴 = 𝐶 ∧ 𝐵 = 𝐶) → 𝐴 = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqeq2 2743 | . 2 ⊢ (𝐵 = 𝐶 → (𝐴 = 𝐵 ↔ 𝐴 = 𝐶)) | |
2 | 1 | biimparc 480 | 1 ⊢ ((𝐴 = 𝐶 ∧ 𝐵 = 𝐶) → 𝐴 = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-9 2116 ax-ext 2702 |
This theorem depends on definitions: df-bi 206 df-an 397 df-ex 1782 df-cleq 2723 |
This theorem is referenced by: neneor 3041 moeq 3668 euind 3685 reuind 3714 disjeq0 4420 ssprsseq 4790 mosneq 4805 prnebg 4818 prnesn 4822 prel12g 4826 3elpr2eq 4869 eusv1 5351 xpcan 6133 xpcan2 6134 funopg 6540 funopdmsn 7101 funsndifnop 7102 mpofunOLD 7486 wfr3g 8258 oawordeulem 8506 nnasmo 8614 en1eqsn 9225 ixpfi2 9301 frr3g 9701 isf32lem2 10299 fpwwe2lem12 10587 1re 11164 receu 11809 xrlttri 13068 injresinjlem 13702 cshwsexaOLD 14725 fsumparts 15702 odd2np1 16234 prmreclem2 16800 divsfval 17443 isprs 18200 psrn 18478 grpinveu 18799 symgextf1 19217 symgfixf1 19233 efgrelexlemb 19546 lspextmo 20574 evlseu 21530 tgcmp 22789 sqf11 26525 dchrisumlem2 26875 sltsolem1 27060 nocvxminlem 27160 axlowdimlem15 27968 axcontlem2 27977 wlksoneq1eq2 28675 spthonepeq 28763 uspgrn2crct 28816 wwlksnextinj 28907 frgrwopreglem5lem 29327 numclwwlk1lem2f1 29364 nsnlplig 29486 nsnlpligALT 29487 grpoinveu 29524 5oalem4 30662 rnbra 31112 xreceu 31848 bnj594 33613 bnj953 33640 fnsingle 34580 funimage 34589 funtransport 34692 funray 34801 funline 34803 hilbert1.2 34816 lineintmo 34818 bj-bary1 35856 poimirlem13 36164 poimirlem14 36165 poimirlem17 36168 poimirlem27 36178 antisymressn 36979 disjdmqscossss 37338 prter2 37416 cdleme 39096 kelac2lem 41449 frege124d 42155 2ffzoeq 45680 sprsymrelf1lem 45803 paireqne 45823 mof0ALT 47026 mofsn 47030 f1omo 47047 |
Copyright terms: Public domain | W3C validator |