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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 7775 prarloclemarch2 7787 prmuloclemcalc 7933 axcaucvglemcau 8266 apreap 8918 ltmul1 8923 divap1d 9134 div2subap 9170 lemul2a 9192 mul2lt0rlt0 10171 xleadd2a 10287 monoord2 10938 expubnd 11048 bernneq2 11114 nn0ltexp2 11163 apexp1 11172 resqrexlemcalc2 11797 resqrexlemcalc3 11798 abs2dif2 11890 bdtrilem 12024 bdtri 12025 xrmaxaddlem 12045 fsum00 12248 iserabs 12261 geosergap 12292 mertenslemi1 12321 eftlub 12476 eirraplem 12563 bitscmp 12744 unitmulcl 14504 unitgrp 14507 xblss2 15597 xmstri2 15662 mstri2 15663 xmstri 15664 mstri 15665 xmstri3 15666 mstri3 15667 msrtri 15668 logdivlti 16075 ppiqp1le 16228 ppiqeq0 16241 chtublem 16256 chtqub 16257 perfectlem2 16261 bposlem9 16280 2sqlem8 16408 apdifflemr 17263 |
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