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| Mirrors > Home > ILE Home > Th. List > prodeq1 | Unicode version | ||
| Description: Equality theorem for a product. (Contributed by Scott Fenton, 1-Dec-2017.) |
| Ref | Expression |
|---|---|
| prodeq1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2384 |
. 2
| |
| 2 | nfcv 2384 |
. 2
| |
| 3 | 1, 2 | prodeq1f 12238 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-v 2815 df-un 3215 df-in 3217 df-ss 3224 df-if 3621 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-opab 4172 df-mpt 4173 df-cnv 4757 df-dm 4759 df-rn 4760 df-res 4761 df-iota 5312 df-f 5356 df-f1 5357 df-fo 5358 df-f1o 5359 df-fv 5360 df-ov 6053 df-oprab 6054 df-mpo 6055 df-recs 6536 df-frec 6622 df-seqfrec 10810 df-proddc 12237 |
| This theorem is referenced by: prodeq1i 12247 prodeq1d 12250 prod1dc 12272 fprodf1o 12274 fprodssdc 12276 fprodmul 12277 fprodcl2lem 12291 fprodcllem 12292 fprodconst 12306 fprodap0 12307 fprod2d 12309 fprodrec 12315 fprodap0f 12322 fprodle 12326 fprodmodd 12327 |
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