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Mirrors > Home > ILE Home > Th. List > rnxpss2 | GIF version |
Description: Upper bound for the range of a binary relation. (Contributed by BJ, 10-Jul-2022.) |
Ref | Expression |
---|---|
rnxpss2 | ⊢ (𝑅 ⊆ (𝐴 × 𝐵) → ran 𝑅 ⊆ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rnss 4834 | . 2 ⊢ (𝑅 ⊆ (𝐴 × 𝐵) → ran 𝑅 ⊆ ran (𝐴 × 𝐵)) | |
2 | rnxpss 5035 | . 2 ⊢ ran (𝐴 × 𝐵) ⊆ 𝐵 | |
3 | 1, 2 | sstrdi 3154 | 1 ⊢ (𝑅 ⊆ (𝐴 × 𝐵) → ran 𝑅 ⊆ 𝐵) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ⊆ wss 3116 × cxp 4602 ran crn 4605 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-br 3983 df-opab 4044 df-xp 4610 df-rel 4611 df-cnv 4612 df-dm 4614 df-rn 4615 |
This theorem is referenced by: cossxp2 5127 |
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