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| Mirrors > Home > ILE Home > Th. List > 3brtr3d | Unicode version | ||
| Description: Substitution of equality into both sides of a binary relation. (Contributed by NM, 18-Oct-1999.) |
| Ref | Expression |
|---|---|
| 3brtr3d.1 |
|
| 3brtr3d.2 |
|
| 3brtr3d.3 |
|
| Ref | Expression |
|---|---|
| 3brtr3d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3brtr3d.1 |
. 2
| |
| 2 | 3brtr3d.2 |
. . 3
| |
| 3 | 3brtr3d.3 |
. . 3
| |
| 4 | 2, 3 | breq12d 4143 |
. 2
|
| 5 | 1, 4 | mpbid 147 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-br 4131 |
| This theorem is used by: ofrval 6313 phplem2 7154 ltaddnq 7774 prarloclemarch2 7786 prmuloclemcalc 7932 axcaucvglemcau 8265 apreap 8917 ltmul1 8922 divap1d 9133 div2subap 9169 lemul2a 9191 mul2lt0rlt0 10170 xleadd2a 10286 monoord2 10936 expubnd 11046 bernneq2 11112 nn0ltexp2 11161 apexp1 11170 resqrexlemcalc2 11795 resqrexlemcalc3 11796 abs2dif2 11888 bdtrilem 12021 bdtri 12022 xrmaxaddlem 12042 fsum00 12245 iserabs 12258 geosergap 12289 mertenslemi1 12318 eftlub 12473 eirraplem 12560 bitscmp 12741 unitmulcl 14469 unitgrp 14472 xblss2 15555 xmstri2 15620 mstri2 15621 xmstri 15622 mstri 15623 xmstri3 15624 mstri3 15625 msrtri 15626 logdivlti 16033 ppiqp1le 16173 ppiqeq0 16182 perfectlem2 16198 2sqlem8 16340 apdifflemr 17194 |
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