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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 4144 |
. 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 4132 |
| This theorem is used by: ofrval 6317 phplem2 7160 ltaddnq 7780 prarloclemarch2 7792 prmuloclemcalc 7938 axcaucvglemcau 8271 apreap 8923 ltmul1 8928 divap1d 9139 div2subap 9175 lemul2a 9197 mul2lt0rlt0 10176 xleadd2a 10292 monoord2 10943 expubnd 11053 bernneq2 11119 nn0ltexp2 11168 apexp1 11177 resqrexlemcalc2 11802 resqrexlemcalc3 11803 abs2dif2 11895 bdtrilem 12029 bdtri 12030 xrmaxaddlem 12050 fsum00 12253 iserabs 12266 geosergap 12297 mertenslemi1 12326 eftlub 12481 eirraplem 12568 bitscmp 12749 unitmulcl 14528 unitgrp 14531 xblss2 15648 xmstri2 15713 mstri2 15714 xmstri 15715 mstri 15716 xmstri3 15717 mstri3 15718 msrtri 15719 logdivlti 16128 ppiqp1le 16284 ppiqeq0 16297 chtublem 16312 chtqub 16313 perfectlem2 16317 bposlem9 16336 2sqlem8 16464 apdifflemr 17320 |
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