![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > difeq2i | Structured version Visualization version GIF version |
Description: Inference adding difference to the left in a class equality. (Contributed by NM, 15-Nov-2002.) |
Ref | Expression |
---|---|
difeq1i.1 | ⊢ 𝐴 = 𝐵 |
Ref | Expression |
---|---|
difeq2i | ⊢ (𝐶 ∖ 𝐴) = (𝐶 ∖ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | difeq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
2 | difeq2 4044 | . 2 ⊢ (𝐴 = 𝐵 → (𝐶 ∖ 𝐴) = (𝐶 ∖ 𝐵)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐶 ∖ 𝐴) = (𝐶 ∖ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 ∖ cdif 3878 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-rab 3115 df-dif 3884 |
This theorem is referenced by: difeq12i 4048 dfun3 4192 dfin3 4193 dfin4 4194 invdif 4195 indif 4196 difundi 4206 difindi 4208 difdif2 4211 dif32 4217 difabs 4218 dfsymdif3 4221 notrab 4232 dif0 4286 unvdif 4381 difdifdir 4395 dfif3 4439 difpr 4696 iinvdif 4965 cnvin 5970 fndifnfp 6915 dif1o 8108 dfsdom2 8624 dju1dif 9583 m1bits 15779 clsval2 21655 mretopd 21697 cmpfi 22013 llycmpkgen2 22155 pserdvlem2 25023 nbgrssvwo2 27152 finsumvtxdg2ssteplem1 27335 frgrwopreglem3 28099 iundifdifd 30325 iundifdif 30326 difres 30363 gsumhashmul 30741 pmtrcnelor 30785 cycpmconjv 30834 cyc3conja 30849 sibfof 31708 eulerpartlemmf 31743 kur14lem2 32567 kur14lem6 32571 kur14lem7 32572 satfv1 32723 dfon4 33467 onint1 33910 bj-2upln1upl 34460 poimirlem8 35065 dfssr2 35899 prjspval2 39607 diophren 39754 nonrel 40284 dssmapntrcls 40831 salincl 42965 meaiuninc 43120 carageniuncllem1 43160 |
Copyright terms: Public domain | W3C validator |