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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 2372 |
. 2
| |
| 2 | nfcv 2372 |
. 2
| |
| 3 | 1, 2 | prodeq1f 12100 |
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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-if 3604 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3890 df-br 4085 df-opab 4147 df-mpt 4148 df-cnv 4729 df-dm 4731 df-rn 4732 df-res 4733 df-iota 5282 df-f 5326 df-f1 5327 df-fo 5328 df-f1o 5329 df-fv 5330 df-ov 6014 df-oprab 6015 df-mpo 6016 df-recs 6464 df-frec 6550 df-seqfrec 10698 df-proddc 12099 |
| This theorem is referenced by: prodeq1i 12109 prodeq1d 12112 prod1dc 12134 fprodf1o 12136 fprodssdc 12138 fprodmul 12139 fprodcl2lem 12153 fprodcllem 12154 fprodconst 12168 fprodap0 12169 fprod2d 12171 fprodrec 12177 fprodap0f 12184 fprodle 12188 fprodmodd 12189 |
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