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Mirrors > Home > ILE Home > Th. List > eqtr3id | GIF version |
Description: An equality transitivity deduction. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
eqtr3id.1 | ⊢ 𝐵 = 𝐴 |
eqtr3id.2 | ⊢ (𝜑 → 𝐵 = 𝐶) |
Ref | Expression |
---|---|
eqtr3id | ⊢ (𝜑 → 𝐴 = 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqtr3id.1 | . . 3 ⊢ 𝐵 = 𝐴 | |
2 | 1 | eqcomi 2161 | . 2 ⊢ 𝐴 = 𝐵 |
3 | eqtr3id.2 | . 2 ⊢ (𝜑 → 𝐵 = 𝐶) | |
4 | 2, 3 | syl5eq 2202 | 1 ⊢ (𝜑 → 𝐴 = 𝐶) |
Colors of variables: wff set class |
Syntax hints: → wi 4 = wceq 1335 |
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 1427 ax-gen 1429 ax-4 1490 ax-17 1506 ax-ext 2139 |
This theorem depends on definitions: df-bi 116 df-cleq 2150 |
This theorem is referenced by: 3eqtr3g 2213 csbeq1a 3040 ssdifeq0 3476 pofun 4272 opabbi2dv 4734 funimaexg 5253 fresin 5347 f1imacnv 5430 foimacnv 5431 fsn2 5640 fmptpr 5658 funiunfvdm 5710 funiunfvdmf 5711 fcof1o 5736 f1opw2 6023 fnexALT 6058 eqerlem 6508 pmresg 6618 mapsn 6632 fopwdom 6778 mapen 6788 fiintim 6870 xpfi 6871 sbthlemi8 6905 sbthlemi9 6906 ctssdccl 7049 exmidfodomrlemim 7130 mul02 8256 recdivap 8585 fzpreddisj 9966 fzshftral 10003 qbtwnrelemcalc 10148 frec2uzrdg 10301 frecuzrdgrcl 10302 frecuzrdgsuc 10306 frecuzrdgrclt 10307 frecuzrdgg 10308 binom3 10528 bcn2 10631 hashfz1 10650 hashunlem 10671 hashfacen 10700 cnrecnv 10803 resqrexlemnm 10911 amgm2 11011 2zsupmax 11118 xrmaxltsup 11148 xrmaxadd 11151 xrbdtri 11166 fisumss 11282 fsumcnv 11327 telfsumo 11356 fsumiun 11367 arisum2 11389 fprodssdc 11480 fprodsplitdc 11486 fprodsplit 11487 fprodcnv 11515 ege2le3 11561 efgt1p 11586 cos01bnd 11648 dfgcd3 11885 eucalgval 11922 sqrt2irrlem 12026 setsslid 12211 baspartn 12419 txdis1cn 12649 cnmpt21 12662 cnmpt22 12665 hmeores 12686 metreslem 12751 remetdval 12910 dvfvalap 13021 binom4 13267 nninfsellemqall 13558 |
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