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Mirrors > Home > ILE Home > Th. List > eqcomi | GIF version |
Description: Inference from commutative law for class equality. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
eqcomi.1 | ⊢ 𝐴 = 𝐵 |
Ref | Expression |
---|---|
eqcomi | ⊢ 𝐵 = 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqcomi.1 | . 2 ⊢ 𝐴 = 𝐵 | |
2 | eqcom 2141 | . 2 ⊢ (𝐴 = 𝐵 ↔ 𝐵 = 𝐴) | |
3 | 1, 2 | mpbi 144 | 1 ⊢ 𝐵 = 𝐴 |
Colors of variables: wff set class |
Syntax hints: = wceq 1331 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-gen 1425 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-cleq 2132 |
This theorem is referenced by: eqtr2i 2161 eqtr3i 2162 eqtr4i 2163 syl5eqr 2186 syl5reqr 2187 syl6eqr 2190 syl6reqr 2191 eqeltrri 2213 eleqtrri 2215 eqeltrrid 2227 eleqtrrdi 2233 abid2 2260 abid2f 2306 eqnetrri 2333 neeqtrri 2337 eqsstrri 3130 sseqtrri 3132 eqsstrrid 3144 sseqtrrdi 3146 difdif2ss 3333 inrab2 3349 dfopg 3703 opid 3723 eqbrtrri 3951 breqtrri 3955 breqtrrdi 3970 pwin 4204 limon 4429 tfis 4497 dfdm2 5073 cnvresid 5197 fores 5354 funcoeqres 5398 f1oprg 5411 fmptpr 5612 fsnunres 5622 riotaprop 5753 fo1st 6055 fo2nd 6056 fnmpoovd 6112 ixpsnf1o 6630 phplem4 6749 snnen2og 6753 phplem4on 6761 sbthlemi5 6849 eldju 6953 casefun 6970 omp1eomlem 6979 exmidfodomrlemim 7057 caucvgsrlembound 7602 ax0id 7686 1p1e2 8837 1e2m1 8839 2p1e3 8853 3p1e4 8855 4p1e5 8856 5p1e6 8857 6p1e7 8858 7p1e8 8859 8p1e9 8860 div4p1lem1div2 8973 0mnnnnn0 9009 zeo 9156 num0u 9192 numsucc 9221 decsucc 9222 1e0p1 9223 nummac 9226 decsubi 9244 decmul1 9245 decmul10add 9250 6p5lem 9251 10m1e9 9277 5t5e25 9284 6t6e36 9289 8t6e48 9300 decbin3 9323 infrenegsupex 9389 ige3m2fz 9829 fseq1p1m1 9874 fz0tp 9901 1fv 9916 fzo0to42pr 9997 fzosplitprm1 10011 expnegap0 10301 sq4e2t8 10390 3dec 10461 fihashen1 10545 pr0hash2ex 10561 imi 10672 infxrnegsupex 11032 zsumdc 11153 fsumadd 11175 hashrabrex 11250 ntrivcvgap 11317 efsep 11397 3dvdsdec 11562 3dvds2dec 11563 flodddiv4 11631 lcmneg 11755 ennnfonelem1 11920 ndxid 11983 2strstr1g 12062 toponrestid 12188 istpsi 12206 distopon 12256 distps 12260 discld 12305 txbas 12427 txdis 12446 txdis1cn 12447 txhmeo 12488 txswaphmeolem 12489 dvexp 12844 sinq34lt0t 12912 ex-ceil 12938 ex-gcd 12943 bdceqir 13042 bj-ssom 13134 trilpolemgt1 13232 |
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