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| Description: Equality theorem for operations. |
| Ref | Expression |
|---|---|
| opreq12 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opreq1 3006 |
. 2
| |
| 2 | opreq2 3007 |
. 2
| |
| 3 | 1, 2 | sylan9eq 1144 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: opreqan12d 3015 oa00 3161 ecopopreq 3244 ecopoprtrn 3247 th3qlem1 3250 th3qlem2 3251 mulcmpblnq 3847 addpipq 3848 mulpipq 3849 ordpipq 3850 halfpq 3876 genpv 3896 genpprecl 3898 distrlem5pr 3925 addcmpblnr 3975 addsrpr 3978 mulsrpr 3979 ltsrpr 3980 mulgt0sr 4008 ssgt0sr 4011 subidt 4159 dividt 4256 addge0 4324 le2sqt 4420 nn0addclt 4551 qaddclt 4642 qmulclt 4644 nn0opth 4724 sqr0 4730 sqrlem4 4734 sqrlem6 4736 sqrlem12 4742 sqrlem21 4751 sqrlem22 4752 sqrlem24 4754 sqrgt0i 4755 sqrlem26 4756 sqr11 4761 normvalt 5075 hsn0elch 5155 ocsh 5164 shscl 5282 chj00 5408 stm1add 5686 stm1add3 5688 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-pw 1799 df-sn 1811 df-pr 1812 df-op 1815 df-uni 1920 df-br 2063 df-opab 2098 df-xp 2424 df-cnv 2426 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fv 2438 df-opr 3003 |